20536473140

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{615971}}^1$

素因数の和:617647

約数の個数: 24

約数和(自身を含む): 43152534432

約数和(自身を除く): 22616061292

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 6668, 8335, 16670, 33340, 615971, 1231942, 2463884, 3079855, 6159710, 12319420, 1026823657, 2053647314, 4107294628, 5134118285, 10268236570, 20536473140]

約数ペア:

[(1, 20536473140), (2, 10268236570), (4, 5134118285), (5, 4107294628), (10, 2053647314), (20, 1026823657), (1667, 12319420), (3334, 6159710), (6668, 3079855), (8335, 2463884), (16670, 1231942), (33340, 615971)]