20258784

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:809

約数の個数: 144

約数和(自身を含む): 70997472

約数和(自身を除く): 50738688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 773, 819, 936, 1008, 1092, 1248, 1456, 1546, 1638, 1872, 2016, 2184, 2319, 2912, 3092, 3276, 3744, 4368, 4638, 5411, 6184, 6552, 6957, 8736, 9276, 10049, 10822, 12368, 13104, 13914, 16233, 18552, 20098, 21644, 24736, 26208, 27828, 30147, 32466, 37104, 40196, 43288, 48699, 55656, 60294, 64932, 70343, 74208, 80392, 86576, 90441, 97398, 111312, 120588, 129864, 140686, 160784, 173152, 180882, 194796, 211029, 222624, 241176, 259728, 281372, 321568, 361764, 389592, 422058, 482352, 519456, 562744, 633087, 723528, 779184, 844116, 964704, 1125488, 1266174, 1447056, 1558368, 1688232, 2250976, 2532348, 2894112, 3376464, 5064696, 6752928, 10129392, 20258784]

約数ペア:

[(1, 20258784), (2, 10129392), (3, 6752928), (4, 5064696), (6, 3376464), (7, 2894112), (8, 2532348), (9, 2250976), (12, 1688232), (13, 1558368), (14, 1447056), (16, 1266174), (18, 1125488), (21, 964704), (24, 844116), (26, 779184), (28, 723528), (32, 633087), (36, 562744), (39, 519456), (42, 482352), (48, 422058), (52, 389592), (56, 361764), (63, 321568), (72, 281372), (78, 259728), (84, 241176), (91, 222624), (96, 211029), (104, 194796), (112, 180882), (117, 173152), (126, 160784), (144, 140686), (156, 129864), (168, 120588), (182, 111312), (208, 97398), (224, 90441), (234, 86576), (252, 80392), (273, 74208), (288, 70343), (312, 64932), (336, 60294), (364, 55656), (416, 48699), (468, 43288), (504, 40196), (546, 37104), (624, 32466), (672, 30147), (728, 27828), (773, 26208), (819, 24736), (936, 21644), (1008, 20098), (1092, 18552), (1248, 16233), (1456, 13914), (1546, 13104), (1638, 12368), (1872, 10822), (2016, 10049), (2184, 9276), (2319, 8736), (2912, 6957), (3092, 6552), (3276, 6184), (3744, 5411), (4368, 4638)]