20808675824

素因数分解:

$2^4\times {\mathrm{9491}}^1\times {\mathrm{137029}}^1$

素因数の和:146528

約数の個数: 20

約数和(自身を含む): 40321351560

約数和(自身を除く): 19512675736

約数列:

[1, 2, 4, 8, 16, 9491, 18982, 37964, 75928, 137029, 151856, 274058, 548116, 1096232, 2192464, 1300542239, 2601084478, 5202168956, 10404337912, 20808675824]

約数ペア:

[(1, 20808675824), (2, 10404337912), (4, 5202168956), (8, 2601084478), (16, 1300542239), (9491, 2192464), (18982, 1096232), (37964, 548116), (75928, 274058), (137029, 151856)]