20211249980

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2075077}}^1$

素因数の和:2075573

約数の個数: 24

約数和(自身を含む): 42530798688

約数和(自身を除く): 22319548708

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 2075077, 4150154, 8300308, 10375385, 20750770, 41501540, 1010562499, 2021124998, 4042249996, 5052812495, 10105624990, 20211249980]

約数ペア:

[(1, 20211249980), (2, 10105624990), (4, 5052812495), (5, 4042249996), (10, 2021124998), (20, 1010562499), (487, 41501540), (974, 20750770), (1948, 10375385), (2435, 8300308), (4870, 4150154), (9740, 2075077)]