20004268256

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:238

約数の個数: 288

約数和(自身を含む): 50367502080

約数和(自身を除く): 30363233824

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 67, 73, 76, 112, 124, 133, 134, 146, 152, 217, 224, 248, 266, 268, 292, 304, 434, 469, 496, 511, 532, 536, 584, 589, 608, 868, 938, 961, 992, 1022, 1064, 1072, 1168, 1178, 1273, 1387, 1736, 1876, 1922, 2044, 2077, 2128, 2144, 2263, 2336, 2356, 2546, 2774, 3472, 3752, 3844, 4088, 4123, 4154, 4256, 4526, 4712, 4891, 5092, 5548, 6727, 6944, 7504, 7688, 8176, 8246, 8308, 8911, 9052, 9424, 9709, 9782, 10184, 11096, 13454, 14539, 15008, 15376, 15841, 16352, 16492, 16616, 17822, 18104, 18259, 18848, 19418, 19564, 20368, 22192, 26908, 29078, 30752, 31682, 32984, 33232, 34237, 35644, 36208, 36518, 38836, 39128, 39463, 40736, 42997, 44384, 53816, 58156, 63364, 64387, 65968, 66464, 68474, 70153, 71288, 72416, 73036, 77672, 78256, 78926, 85994, 92929, 107632, 116312, 126728, 127813, 128774, 131936, 136948, 140306, 142576, 146072, 151621, 155344, 156512, 157852, 171988, 185858, 215264, 232624, 253456, 255626, 257548, 273896, 276241, 280612, 285152, 292144, 300979, 303242, 310688, 315704, 343976, 371716, 450709, 465248, 491071, 506912, 511252, 515096, 547792, 552482, 561224, 584288, 601958, 606484, 631408, 650503, 687952, 743432, 901418, 982142, 1022504, 1030192, 1061347, 1095584, 1104964, 1122448, 1203916, 1212968, 1223353, 1262816, 1301006, 1332907, 1375904, 1486864, 1802836, 1964284, 2045008, 2060384, 2122694, 2209928, 2244896, 2407832, 2425936, 2446706, 2602012, 2665814, 2880799, 2973728, 3605672, 3928568, 4090016, 4245388, 4419856, 4700251, 4815664, 4851872, 4893412, 5204024, 5331628, 5761598, 7211344, 7857136, 8490776, 8563471, 8839712, 9330349, 9400502, 9631328, 9786824, 10408048, 10663256, 11523196, 14422688, 15714272, 16981552, 17126942, 18660698, 18801004, 19573648, 20165593, 20816096, 21326512, 23046392, 32901757, 33963104, 34253884, 37321396, 37602008, 39147296, 40331186, 42653024, 46092784, 65803514, 68507768, 74642792, 75204016, 80662372, 89304769, 92185568, 131607028, 137015536, 149285584, 150408032, 161324744, 178609538, 263214056, 274031072, 298571168, 322649488, 357219076, 526428112, 625133383, 645298976, 714438152, 1052856224, 1250266766, 1428876304, 2500533532, 2857752608, 5001067064, 10002134128, 20004268256]

約数ペア:

[(1, 20004268256), (2, 10002134128), (4, 5001067064), (7, 2857752608), (8, 2500533532), (14, 1428876304), (16, 1250266766), (19, 1052856224), (28, 714438152), (31, 645298976), (32, 625133383), (38, 526428112), (56, 357219076), (62, 322649488), (67, 298571168), (73, 274031072), (76, 263214056), (112, 178609538), (124, 161324744), (133, 150408032), (134, 149285584), (146, 137015536), (152, 131607028), (217, 92185568), (224, 89304769), (248, 80662372), (266, 75204016), (268, 74642792), (292, 68507768), (304, 65803514), (434, 46092784), (469, 42653024), (496, 40331186), (511, 39147296), (532, 37602008), (536, 37321396), (584, 34253884), (589, 33963104), (608, 32901757), (868, 23046392), (938, 21326512), (961, 20816096), (992, 20165593), (1022, 19573648), (1064, 18801004), (1072, 18660698), (1168, 17126942), (1178, 16981552), (1273, 15714272), (1387, 14422688), (1736, 11523196), (1876, 10663256), (1922, 10408048), (2044, 9786824), (2077, 9631328), (2128, 9400502), (2144, 9330349), (2263, 8839712), (2336, 8563471), (2356, 8490776), (2546, 7857136), (2774, 7211344), (3472, 5761598), (3752, 5331628), (3844, 5204024), (4088, 4893412), (4123, 4851872), (4154, 4815664), (4256, 4700251), (4526, 4419856), (4712, 4245388), (4891, 4090016), (5092, 3928568), (5548, 3605672), (6727, 2973728), (6944, 2880799), (7504, 2665814), (7688, 2602012), (8176, 2446706), (8246, 2425936), (8308, 2407832), (8911, 2244896), (9052, 2209928), (9424, 2122694), (9709, 2060384), (9782, 2045008), (10184, 1964284), (11096, 1802836), (13454, 1486864), (14539, 1375904), (15008, 1332907), (15376, 1301006), (15841, 1262816), (16352, 1223353), (16492, 1212968), (16616, 1203916), (17822, 1122448), (18104, 1104964), (18259, 1095584), (18848, 1061347), (19418, 1030192), (19564, 1022504), (20368, 982142), (22192, 901418), (26908, 743432), (29078, 687952), (30752, 650503), (31682, 631408), (32984, 606484), (33232, 601958), (34237, 584288), (35644, 561224), (36208, 552482), (36518, 547792), (38836, 515096), (39128, 511252), (39463, 506912), (40736, 491071), (42997, 465248), (44384, 450709), (53816, 371716), (58156, 343976), (63364, 315704), (64387, 310688), (65968, 303242), (66464, 300979), (68474, 292144), (70153, 285152), (71288, 280612), (72416, 276241), (73036, 273896), (77672, 257548), (78256, 255626), (78926, 253456), (85994, 232624), (92929, 215264), (107632, 185858), (116312, 171988), (126728, 157852), (127813, 156512), (128774, 155344), (131936, 151621), (136948, 146072), (140306, 142576)]