20215902169

素因数分解:

${\mathrm{19}}^2\times {\mathrm{449}}^1\times {\mathrm{124721}}^1$

素因数の和:125208

約数の個数: 12

約数和(自身を含む): 21383586900

約数和(自身を除く): 1167684731

約数列:

[1, 19, 361, 449, 8531, 124721, 162089, 2369699, 45024281, 55999729, 1063994851, 20215902169]

約数ペア:

[(1, 20215902169), (19, 1063994851), (361, 55999729), (449, 45024281), (8531, 2369699), (124721, 162089)]