20171156528

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{29851}}^1$

素因数の和:30285

約数の個数: 40

約数和(自身を含む): 39478075920

約数和(自身を除く): 19306919392

約数列:

[1, 2, 4, 8, 16, 157, 269, 314, 538, 628, 1076, 1256, 2152, 2512, 4304, 29851, 42233, 59702, 84466, 119404, 168932, 238808, 337864, 477616, 675728, 4686607, 8029919, 9373214, 16059838, 18746428, 32119676, 37492856, 64239352, 74985712, 128478704, 1260697283, 2521394566, 5042789132, 10085578264, 20171156528]

約数ペア:

[(1, 20171156528), (2, 10085578264), (4, 5042789132), (8, 2521394566), (16, 1260697283), (157, 128478704), (269, 74985712), (314, 64239352), (538, 37492856), (628, 32119676), (1076, 18746428), (1256, 16059838), (2152, 9373214), (2512, 8029919), (4304, 4686607), (29851, 675728), (42233, 477616), (59702, 337864), (84466, 238808), (119404, 168932)]