20843785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5981}}^1$

素因数の和:6044

約数の個数: 16

約数和(自身を含む): 27134352

約数和(自身を除く): 6290567

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5981, 29905, 101677, 245221, 508385, 1226105, 4168757, 20843785]

約数ペア:

[(1, 20843785), (5, 4168757), (17, 1226105), (41, 508385), (85, 245221), (205, 101677), (697, 29905), (3485, 5981)]