20749207904

素因数分解:

$2^5\times {\mathrm{8713}}^1\times {\mathrm{74419}}^1$

素因数の和:83142

約数の個数: 24

約数和(自身を含む): 40855240440

約数和(自身を除く): 20106032536

約数列:

[1, 2, 4, 8, 16, 32, 8713, 17426, 34852, 69704, 74419, 139408, 148838, 278816, 297676, 595352, 1190704, 2381408, 648412747, 1296825494, 2593650988, 5187301976, 10374603952, 20749207904]

約数ペア:

[(1, 20749207904), (2, 10374603952), (4, 5187301976), (8, 2593650988), (16, 1296825494), (32, 648412747), (8713, 2381408), (17426, 1190704), (34852, 595352), (69704, 297676), (74419, 278816), (139408, 148838)]