20372407

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1667}}^1$

素因数の和:1790

約数の個数: 12

約数和(自身を含む): 22628088

約数和(自身を除く): 2255681

約数列:

[1, 11, 101, 121, 1111, 1667, 12221, 18337, 168367, 201707, 1852037, 20372407]

約数ペア:

[(1, 20372407), (11, 1852037), (101, 201707), (121, 168367), (1111, 18337), (1667, 12221)]