20256995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3797}}^1$

素因数の和:3910

約数の個数: 16

約数和(自身を含む): 26798688

約数和(自身を除く): 6541693

約数列:

[1, 5, 11, 55, 97, 485, 1067, 3797, 5335, 18985, 41767, 208835, 368309, 1841545, 4051399, 20256995]

約数ペア:

[(1, 20256995), (5, 4051399), (11, 1841545), (55, 368309), (97, 208835), (485, 41767), (1067, 18985), (3797, 5335)]