20856968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{237011}}^1$

素因数の和:237028

約数の個数: 16

約数和(自身を含む): 42662160

約数和(自身を除く): 21805192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 237011, 474022, 948044, 1896088, 2607121, 5214242, 10428484, 20856968]

約数ペア:

[(1, 20856968), (2, 10428484), (4, 5214242), (8, 2607121), (11, 1896088), (22, 948044), (44, 474022), (88, 237011)]