20157407

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 2099233

約数列:

[1, 23, 29, 47, 643, 667, 1081, 1363, 14789, 18647, 30221, 31349, 428881, 695083, 876409, 20157407]

約数ペア:

[(1, 20157407), (23, 876409), (29, 695083), (47, 428881), (643, 31349), (667, 30221), (1081, 18647), (1363, 14789)]