20218713

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{757}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 28015680

約数和(自身を除く): 7796967

約数列:

[1, 3, 29, 87, 307, 757, 921, 2271, 8903, 21953, 26709, 65859, 232399, 697197, 6739571, 20218713]

約数ペア:

[(1, 20218713), (3, 6739571), (29, 697197), (87, 232399), (307, 65859), (757, 26709), (921, 21953), (2271, 8903)]