20355364239

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57017827}}^1$

素因数の和:57017854

約数の個数: 16

約数和(自身を含む): 32842268928

約数和(自身を除く): 12486904689

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57017827, 171053481, 399124789, 969303059, 1197374367, 2907909177, 6785121413, 20355364239]

約数ペア:

[(1, 20355364239), (3, 6785121413), (7, 2907909177), (17, 1197374367), (21, 969303059), (51, 399124789), (119, 171053481), (357, 57017827)]