20178247685

素因数分解:

$5^1\times {\mathrm{313}}^1\times {\mathrm{617}}^1\times {\mathrm{20897}}^1$

素因数の和:21832

約数の個数: 16

約数和(自身を含む): 24331792176

約数和(自身を除く): 4153544491

約数列:

[1, 5, 313, 617, 1565, 3085, 20897, 104485, 193121, 965605, 6540761, 12893449, 32703805, 64467245, 4035649537, 20178247685]

約数ペア:

[(1, 20178247685), (5, 4035649537), (313, 64467245), (617, 32703805), (1565, 12893449), (3085, 6540761), (20897, 965605), (104485, 193121)]