20696497921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1\times {\mathrm{15511}}^1$

素因数の和:16824

約数の個数: 16

約数和(自身を含む): 22821998976

約数和(自身を除く): 2125501055

約数列:

[1, 11, 101, 1111, 1201, 13211, 15511, 121301, 170621, 1334311, 1566611, 17232721, 18628711, 204915821, 1881499811, 20696497921]

約数ペア:

[(1, 20696497921), (11, 1881499811), (101, 204915821), (1111, 18628711), (1201, 17232721), (13211, 1566611), (15511, 1334311), (121301, 170621)]