20351567999

素因数分解:

$7^1\times {\mathrm{661}}^1\times {\mathrm{1291}}^1\times {\mathrm{3407}}^1$

素因数の和:5366

約数の個数: 16

約数和(自身を含む): 23319008256

約数和(自身を除く): 2967440257

約数列:

[1, 7, 661, 1291, 3407, 4627, 9037, 23849, 853351, 2252027, 4398437, 5973457, 15764189, 30789059, 2907366857, 20351567999]

約数ペア:

[(1, 20351567999), (7, 2907366857), (661, 30789059), (1291, 15764189), (3407, 5973457), (4627, 4398437), (9037, 2252027), (23849, 853351)]