20215639

素因数分解:

${\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1998

約数の個数: 12

約数和(自身を含む): 22082760

約数和(自身を除く): 1867121

約数列:

[1, 19, 29, 361, 551, 1931, 10469, 36689, 55999, 697091, 1063981, 20215639]

約数ペア:

[(1, 20215639), (19, 1063981), (29, 697091), (361, 55999), (551, 36689), (1931, 10469)]