20147250991

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1\times {\mathrm{33179}}^1$

素因数の和:33798

約数の個数: 16

約数和(自身を含む): 23188838400

約数和(自身を除く): 3041587409

約数列:

[1, 7, 223, 389, 1561, 2723, 33179, 86747, 232253, 607229, 7398917, 12906631, 51792419, 90346417, 2878178713, 20147250991]

約数ペア:

[(1, 20147250991), (7, 2878178713), (223, 90346417), (389, 51792419), (1561, 12906631), (2723, 7398917), (33179, 607229), (86747, 232253)]