20664238

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24197}}^1$

素因数の和:24267

約数の個数: 16

約数和(自身を含む): 36006624

約数和(自身を除く): 15342386

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24197, 48394, 169379, 338758, 1476017, 2952034, 10332119, 20664238]

約数ペア:

[(1, 20664238), (2, 10332119), (7, 2952034), (14, 1476017), (61, 338758), (122, 169379), (427, 48394), (854, 24197)]