20829740

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1699}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 43839600

約数和(自身を除く): 23009860

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1699, 2452, 3065, 3398, 6130, 6796, 8495, 12260, 16990, 33980, 1041487, 2082974, 4165948, 5207435, 10414870, 20829740]

約数ペア:

[(1, 20829740), (2, 10414870), (4, 5207435), (5, 4165948), (10, 2082974), (20, 1041487), (613, 33980), (1226, 16990), (1699, 12260), (2452, 8495), (3065, 6796), (3398, 6130)]