20507495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{607}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 5101465

約数列:

[1, 5, 29, 145, 233, 607, 1165, 3035, 6757, 17603, 33785, 88015, 141431, 707155, 4101499, 20507495]

約数ペア:

[(1, 20507495), (5, 4101499), (29, 707155), (145, 141431), (233, 88015), (607, 33785), (1165, 17603), (3035, 6757)]