20195335888

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1666

約数の個数: 240

約数和(自身を含む): 51866680320

約数和(自身を除く): 31671344432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 41, 49, 52, 56, 62, 82, 91, 98, 104, 112, 124, 164, 182, 196, 208, 217, 248, 287, 328, 364, 392, 403, 434, 496, 533, 574, 637, 656, 728, 784, 806, 868, 1066, 1148, 1271, 1274, 1456, 1519, 1559, 1612, 1736, 2009, 2132, 2296, 2542, 2548, 2821, 3038, 3118, 3224, 3472, 3731, 4018, 4264, 4592, 5084, 5096, 5642, 6076, 6236, 6448, 7462, 8036, 8528, 8897, 10168, 10192, 10913, 11284, 12152, 12472, 14924, 16072, 16523, 17794, 19747, 20267, 20336, 21826, 22568, 24304, 24944, 26117, 29848, 32144, 33046, 35588, 39494, 40534, 43652, 45136, 48329, 52234, 59696, 62279, 63919, 66092, 71176, 76391, 78988, 81068, 87304, 96658, 104468, 115661, 124558, 127838, 132184, 141869, 142352, 152782, 157976, 162136, 174608, 193316, 208936, 231322, 249116, 255676, 264368, 283738, 305564, 315952, 324272, 338303, 386632, 417872, 447433, 462644, 498232, 511352, 567476, 611128, 628277, 676606, 773264, 809627, 830947, 894866, 925288, 993083, 996464, 1022704, 1134952, 1222256, 1256554, 1353212, 1619254, 1661894, 1789732, 1850576, 1981489, 1986166, 2269904, 2368121, 2513108, 2706424, 3132031, 3238508, 3323788, 3579464, 3962978, 3972332, 4397939, 4736242, 5026216, 5412848, 5816629, 6264062, 6477016, 6647576, 7158928, 7925956, 7944664, 8795878, 9472484, 10052432, 11633258, 12528124, 12954032, 13295152, 13870423, 15851912, 15889328, 17591756, 18944968, 23266516, 25056248, 25759357, 27740846, 30785573, 31703824, 35183512, 37889936, 40716403, 46533032, 50112496, 51518714, 55481692, 61571146, 70367024, 81432806, 93066064, 97092961, 103037428, 110963384, 123142292, 162865612, 180315499, 194185922, 206074856, 221926768, 246284584, 325731224, 360630998, 388371844, 412149712, 492569168, 651462448, 721261996, 776743688, 1262208493, 1442523992, 1553487376, 2524416986, 2885047984, 5048833972, 10097667944, 20195335888]

約数ペア:

[(1, 20195335888), (2, 10097667944), (4, 5048833972), (7, 2885047984), (8, 2524416986), (13, 1553487376), (14, 1442523992), (16, 1262208493), (26, 776743688), (28, 721261996), (31, 651462448), (41, 492569168), (49, 412149712), (52, 388371844), (56, 360630998), (62, 325731224), (82, 246284584), (91, 221926768), (98, 206074856), (104, 194185922), (112, 180315499), (124, 162865612), (164, 123142292), (182, 110963384), (196, 103037428), (208, 97092961), (217, 93066064), (248, 81432806), (287, 70367024), (328, 61571146), (364, 55481692), (392, 51518714), (403, 50112496), (434, 46533032), (496, 40716403), (533, 37889936), (574, 35183512), (637, 31703824), (656, 30785573), (728, 27740846), (784, 25759357), (806, 25056248), (868, 23266516), (1066, 18944968), (1148, 17591756), (1271, 15889328), (1274, 15851912), (1456, 13870423), (1519, 13295152), (1559, 12954032), (1612, 12528124), (1736, 11633258), (2009, 10052432), (2132, 9472484), (2296, 8795878), (2542, 7944664), (2548, 7925956), (2821, 7158928), (3038, 6647576), (3118, 6477016), (3224, 6264062), (3472, 5816629), (3731, 5412848), (4018, 5026216), (4264, 4736242), (4592, 4397939), (5084, 3972332), (5096, 3962978), (5642, 3579464), (6076, 3323788), (6236, 3238508), (6448, 3132031), (7462, 2706424), (8036, 2513108), (8528, 2368121), (8897, 2269904), (10168, 1986166), (10192, 1981489), (10913, 1850576), (11284, 1789732), (12152, 1661894), (12472, 1619254), (14924, 1353212), (16072, 1256554), (16523, 1222256), (17794, 1134952), (19747, 1022704), (20267, 996464), (20336, 993083), (21826, 925288), (22568, 894866), (24304, 830947), (24944, 809627), (26117, 773264), (29848, 676606), (32144, 628277), (33046, 611128), (35588, 567476), (39494, 511352), (40534, 498232), (43652, 462644), (45136, 447433), (48329, 417872), (52234, 386632), (59696, 338303), (62279, 324272), (63919, 315952), (66092, 305564), (71176, 283738), (76391, 264368), (78988, 255676), (81068, 249116), (87304, 231322), (96658, 208936), (104468, 193316), (115661, 174608), (124558, 162136), (127838, 157976), (132184, 152782), (141869, 142352)]