20228925560

素因数分解:

$2^3\times 5^1\times {\mathrm{505723139}}^1$

素因数の和:505723150

約数の個数: 16

約数和(自身を含む): 45515082600

約数和(自身を除く): 25286157040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505723139, 1011446278, 2022892556, 2528615695, 4045785112, 5057231390, 10114462780, 20228925560]

約数ペア:

[(1, 20228925560), (2, 10114462780), (4, 5057231390), (5, 4045785112), (8, 2528615695), (10, 2022892556), (20, 1011446278), (40, 505723139)]