20646901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 23869440

約数和(自身を除く): 3222539

約数列:

[1, 11, 19, 209, 223, 443, 2453, 4237, 4873, 8417, 46607, 92587, 98789, 1086679, 1876991, 20646901]

約数ペア:

[(1, 20646901), (11, 1876991), (19, 1086679), (209, 98789), (223, 92587), (443, 46607), (2453, 8417), (4237, 4873)]