20145454556

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{109751}}^1$

素因数の和:110285

約数の個数: 24

約数和(自身を含む): 35662814880

約数和(自身を除く): 15517360324

約数列:

[1, 2, 4, 109, 218, 421, 436, 842, 1684, 45889, 91778, 109751, 183556, 219502, 439004, 11962859, 23925718, 46205171, 47851436, 92410342, 184820684, 5036363639, 10072727278, 20145454556]

約数ペア:

[(1, 20145454556), (2, 10072727278), (4, 5036363639), (109, 184820684), (218, 92410342), (421, 47851436), (436, 46205171), (842, 23925718), (1684, 11962859), (45889, 439004), (91778, 219502), (109751, 183556)]