20329490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65579}}^1$

素因数の和:65617

約数の個数: 16

約数和(自身を含む): 37774080

約数和(自身を除く): 17444590

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65579, 131158, 327895, 655790, 2032949, 4065898, 10164745, 20329490]

約数ペア:

[(1, 20329490), (2, 10164745), (5, 4065898), (10, 2032949), (31, 655790), (62, 327895), (155, 131158), (310, 65579)]