20154801044

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2490707}}^1$

素因数の和:2490752

約数の個数: 36

約数和(自身を含む): 42820251936

約数和(自身を除く): 22665450892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 4046, 8092, 2490707, 4981414, 9962828, 17434949, 34869898, 42342019, 69739796, 84684038, 169368076, 296394133, 592788266, 719814323, 1185576532, 1439628646, 2879257292, 5038700261, 10077400522, 20154801044]

約数ペア:

[(1, 20154801044), (2, 10077400522), (4, 5038700261), (7, 2879257292), (14, 1439628646), (17, 1185576532), (28, 719814323), (34, 592788266), (68, 296394133), (119, 169368076), (238, 84684038), (289, 69739796), (476, 42342019), (578, 34869898), (1156, 17434949), (2023, 9962828), (4046, 4981414), (8092, 2490707)]