20985620340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349760339}}^1$

素因数の和:349760351

約数の個数: 24

約数和(自身を含む): 58759737120

約数和(自身を除く): 37774116780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349760339, 699520678, 1049281017, 1399041356, 1748801695, 2098562034, 3497603390, 4197124068, 5246405085, 6995206780, 10492810170, 20985620340]

約数ペア:

[(1, 20985620340), (2, 10492810170), (3, 6995206780), (4, 5246405085), (5, 4197124068), (6, 3497603390), (10, 2098562034), (12, 1748801695), (15, 1399041356), (20, 1049281017), (30, 699520678), (60, 349760339)]