201899420

素因数分解:

$2^2\times 5^1\times {\mathrm{10094971}}^1$

素因数の和:10094980

約数の個数: 12

約数和(自身を含む): 423988824

約数和(自身を除く): 222089404

約数列:

[1, 2, 4, 5, 10, 20, 10094971, 20189942, 40379884, 50474855, 100949710, 201899420]

約数ペア:

[(1, 201899420), (2, 100949710), (4, 50474855), (5, 40379884), (10, 20189942), (20, 10094971)]