20155953

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 27656640

約数和(自身を除く): 7500687

約数列:

[1, 3, 53, 109, 159, 327, 1163, 3489, 5777, 17331, 61639, 126767, 184917, 380301, 6718651, 20155953]

約数ペア:

[(1, 20155953), (3, 6718651), (53, 380301), (109, 184917), (159, 126767), (327, 61639), (1163, 17331), (3489, 5777)]