20235526760

素因数分解:

$2^3\times 5^1\times {\mathrm{505888169}}^1$

素因数の和:505888180

約数の個数: 16

約数和(自身を含む): 45529935300

約数和(自身を除く): 25294408540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505888169, 1011776338, 2023552676, 2529440845, 4047105352, 5058881690, 10117763380, 20235526760]

約数ペア:

[(1, 20235526760), (2, 10117763380), (4, 5058881690), (5, 4047105352), (8, 2529440845), (10, 2023552676), (20, 1011776338), (40, 505888169)]