20299917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{997}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 29604672

約数和(自身を除く): 9304755

約数列:

[1, 3, 11, 33, 617, 997, 1851, 2991, 6787, 10967, 20361, 32901, 615149, 1845447, 6766639, 20299917]

約数ペア:

[(1, 20299917), (3, 6766639), (11, 1845447), (33, 615149), (617, 32901), (997, 20361), (1851, 10967), (2991, 6787)]