20254101

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 31611744

約数和(自身を除く): 11357643

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 653, 1477, 1959, 4431, 4571, 10339, 13713, 31017, 31997, 95991, 137783, 413349, 964481, 2893443, 6751367, 20254101]

約数ペア:

[(1, 20254101), (3, 6751367), (7, 2893443), (21, 964481), (49, 413349), (147, 137783), (211, 95991), (633, 31997), (653, 31017), (1477, 13713), (1959, 10339), (4431, 4571)]