20168082688

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{1753}}^1\times {\mathrm{3457}}^1$

素因数の和:5239

約数の個数: 72

約数和(自身を含む): 43391385128

約数和(自身を除く): 23223302440

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 1753, 3328, 3457, 3506, 6914, 7012, 13828, 14024, 22789, 27656, 28048, 44941, 45578, 55312, 56096, 89882, 91156, 110624, 112192, 179764, 182312, 221248, 224384, 359528, 364624, 442496, 448768, 719056, 729248, 884992, 1438112, 1458496, 2876224, 2916992, 5752448, 5833984, 6060121, 11504896, 12120242, 24240484, 48480968, 78781573, 96961936, 157563146, 193923872, 315126292, 387847744, 630252584, 775695488, 1260505168, 1551390976, 2521010336, 5042020672, 10084041344, 20168082688]

約数ペア:

[(1, 20168082688), (2, 10084041344), (4, 5042020672), (8, 2521010336), (13, 1551390976), (16, 1260505168), (26, 775695488), (32, 630252584), (52, 387847744), (64, 315126292), (104, 193923872), (128, 157563146), (208, 96961936), (256, 78781573), (416, 48480968), (832, 24240484), (1664, 12120242), (1753, 11504896), (3328, 6060121), (3457, 5833984), (3506, 5752448), (6914, 2916992), (7012, 2876224), (13828, 1458496), (14024, 1438112), (22789, 884992), (27656, 729248), (28048, 719056), (44941, 448768), (45578, 442496), (55312, 364624), (56096, 359528), (89882, 224384), (91156, 221248), (110624, 182312), (112192, 179764)]