20464838109

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{1890167}}^1$

素因数の和:1890577

約数の個数: 16

約数和(自身を含む): 30393901440

約数和(自身を除く): 9929063331

約数列:

[1, 3, 9, 27, 401, 1203, 3609, 10827, 1890167, 5670501, 17011503, 51034509, 757956967, 2273870901, 6821612703, 20464838109]

約数ペア:

[(1, 20464838109), (3, 6821612703), (9, 2273870901), (27, 757956967), (401, 51034509), (1203, 17011503), (3609, 5670501), (10827, 1890167)]