20457350368

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 384

約数和(自身を含む): 54623600640

約数和(自身を除く): 34166250272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 31, 32, 46, 52, 56, 59, 62, 91, 92, 104, 112, 118, 124, 161, 167, 182, 184, 208, 217, 224, 236, 248, 299, 322, 334, 364, 368, 403, 413, 416, 434, 472, 496, 598, 644, 668, 713, 728, 736, 767, 806, 826, 868, 944, 992, 1169, 1196, 1288, 1336, 1357, 1426, 1456, 1534, 1612, 1652, 1736, 1829, 1888, 2093, 2171, 2338, 2392, 2576, 2672, 2714, 2821, 2852, 2912, 3068, 3224, 3304, 3472, 3658, 3841, 4186, 4342, 4676, 4784, 4991, 5152, 5177, 5344, 5369, 5428, 5642, 5704, 6136, 6448, 6608, 6944, 7316, 7682, 8372, 8684, 9269, 9352, 9499, 9568, 9853, 9982, 10354, 10738, 10856, 11284, 11408, 12272, 12803, 12896, 13216, 14632, 15197, 15364, 16744, 17368, 17641, 18538, 18704, 18998, 19706, 19964, 20708, 21476, 21712, 22568, 22816, 23777, 24544, 25606, 26887, 29264, 30394, 30728, 33488, 34736, 35282, 36239, 37076, 37408, 37996, 39412, 39928, 41416, 42067, 42952, 43424, 45136, 47554, 49933, 51212, 53774, 58528, 60788, 61456, 64883, 66976, 67301, 68971, 69472, 70564, 72478, 74152, 75992, 78824, 79856, 82832, 84134, 85904, 90272, 95108, 99866, 102424, 107548, 119071, 121576, 122912, 123487, 128089, 129766, 134602, 137942, 141128, 144956, 148304, 151984, 157648, 159712, 165664, 166439, 168268, 171808, 190216, 199732, 204848, 215096, 226619, 238142, 243152, 246974, 256178, 259532, 269204, 275884, 282256, 289912, 294469, 296608, 303968, 305443, 315296, 332878, 336536, 349531, 380432, 399464, 409696, 430192, 453238, 471107, 476284, 486304, 493948, 512356, 519064, 538408, 546871, 551768, 564512, 579824, 588938, 610886, 665756, 673072, 699062, 760864, 798928, 833497, 860384, 896623, 906476, 942214, 952568, 987896, 1024712, 1038128, 1076816, 1093742, 1103536, 1159648, 1177876, 1221772, 1331512, 1346144, 1398124, 1547923, 1586333, 1597856, 1666994, 1793246, 1812952, 1884428, 1905136, 1975792, 2049424, 2076256, 2138101, 2153632, 2187484, 2207072, 2355752, 2443544, 2663024, 2796248, 2946047, 3095846, 3172666, 3333988, 3586492, 3625904, 3768856, 3810272, 3828097, 3951584, 3970759, 4098848, 4276202, 4374968, 4711504, 4887088, 5326048, 5592496, 5892094, 6191692, 6345332, 6667976, 7025189, 7172984, 7251808, 7537712, 7656194, 7941518, 8552404, 8749936, 9423008, 9774176, 10835461, 11184992, 11784188, 12383384, 12690664, 13335952, 14050378, 14345968, 15075424, 15312388, 15883036, 17104808, 17499872, 20622329, 21670922, 23568376, 24766768, 25381328, 26671904, 27795313, 28100756, 28691936, 30624776, 31766072, 34209616, 41244658, 43341844, 47136752, 49176323, 49533536, 50762656, 55590626, 56201512, 61249552, 63532144, 68419232, 82489316, 86683688, 91327457, 94273504, 98352646, 111181252, 112403024, 122499104, 127064288, 164978632, 173367376, 182654914, 196705292, 222362504, 224806048, 329957264, 346734752, 365309828, 393410584, 444725008, 639292199, 659914528, 730619656, 786821168, 889450016, 1278584398, 1461239312, 1573642336, 2557168796, 2922478624, 5114337592, 10228675184, 20457350368]

約数ペア:

[(1, 20457350368), (2, 10228675184), (4, 5114337592), (7, 2922478624), (8, 2557168796), (13, 1573642336), (14, 1461239312), (16, 1278584398), (23, 889450016), (26, 786821168), (28, 730619656), (31, 659914528), (32, 639292199), (46, 444725008), (52, 393410584), (56, 365309828), (59, 346734752), (62, 329957264), (91, 224806048), (92, 222362504), (104, 196705292), (112, 182654914), (118, 173367376), (124, 164978632), (161, 127064288), (167, 122499104), (182, 112403024), (184, 111181252), (208, 98352646), (217, 94273504), (224, 91327457), (236, 86683688), (248, 82489316), (299, 68419232), (322, 63532144), (334, 61249552), (364, 56201512), (368, 55590626), (403, 50762656), (413, 49533536), (416, 49176323), (434, 47136752), (472, 43341844), (496, 41244658), (598, 34209616), (644, 31766072), (668, 30624776), (713, 28691936), (728, 28100756), (736, 27795313), (767, 26671904), (806, 25381328), (826, 24766768), (868, 23568376), (944, 21670922), (992, 20622329), (1169, 17499872), (1196, 17104808), (1288, 15883036), (1336, 15312388), (1357, 15075424), (1426, 14345968), (1456, 14050378), (1534, 13335952), (1612, 12690664), (1652, 12383384), (1736, 11784188), (1829, 11184992), (1888, 10835461), (2093, 9774176), (2171, 9423008), (2338, 8749936), (2392, 8552404), (2576, 7941518), (2672, 7656194), (2714, 7537712), (2821, 7251808), (2852, 7172984), (2912, 7025189), (3068, 6667976), (3224, 6345332), (3304, 6191692), (3472, 5892094), (3658, 5592496), (3841, 5326048), (4186, 4887088), (4342, 4711504), (4676, 4374968), (4784, 4276202), (4991, 4098848), (5152, 3970759), (5177, 3951584), (5344, 3828097), (5369, 3810272), (5428, 3768856), (5642, 3625904), (5704, 3586492), (6136, 3333988), (6448, 3172666), (6608, 3095846), (6944, 2946047), (7316, 2796248), (7682, 2663024), (8372, 2443544), (8684, 2355752), (9269, 2207072), (9352, 2187484), (9499, 2153632), (9568, 2138101), (9853, 2076256), (9982, 2049424), (10354, 1975792), (10738, 1905136), (10856, 1884428), (11284, 1812952), (11408, 1793246), (12272, 1666994), (12803, 1597856), (12896, 1586333), (13216, 1547923), (14632, 1398124), (15197, 1346144), (15364, 1331512), (16744, 1221772), (17368, 1177876), (17641, 1159648), (18538, 1103536), (18704, 1093742), (18998, 1076816), (19706, 1038128), (19964, 1024712), (20708, 987896), (21476, 952568), (21712, 942214), (22568, 906476), (22816, 896623), (23777, 860384), (24544, 833497), (25606, 798928), (26887, 760864), (29264, 699062), (30394, 673072), (30728, 665756), (33488, 610886), (34736, 588938), (35282, 579824), (36239, 564512), (37076, 551768), (37408, 546871), (37996, 538408), (39412, 519064), (39928, 512356), (41416, 493948), (42067, 486304), (42952, 476284), (43424, 471107), (45136, 453238), (47554, 430192), (49933, 409696), (51212, 399464), (53774, 380432), (58528, 349531), (60788, 336536), (61456, 332878), (64883, 315296), (66976, 305443), (67301, 303968), (68971, 296608), (69472, 294469), (70564, 289912), (72478, 282256), (74152, 275884), (75992, 269204), (78824, 259532), (79856, 256178), (82832, 246974), (84134, 243152), (85904, 238142), (90272, 226619), (95108, 215096), (99866, 204848), (102424, 199732), (107548, 190216), (119071, 171808), (121576, 168268), (122912, 166439), (123487, 165664), (128089, 159712), (129766, 157648), (134602, 151984), (137942, 148304), (141128, 144956)]