20679152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2687}}^1$

素因数の和:2745

約数の個数: 40

約数和(自身を含む): 44330496

約数和(自身を除く): 23651344

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2687, 3848, 5374, 7696, 10748, 21496, 34931, 42992, 69862, 99419, 139724, 198838, 279448, 397676, 558896, 795352, 1292447, 1590704, 2584894, 5169788, 10339576, 20679152]

約数ペア:

[(1, 20679152), (2, 10339576), (4, 5169788), (8, 2584894), (13, 1590704), (16, 1292447), (26, 795352), (37, 558896), (52, 397676), (74, 279448), (104, 198838), (148, 139724), (208, 99419), (296, 69862), (481, 42992), (592, 34931), (962, 21496), (1924, 10748), (2687, 7696), (3848, 5374)]