20175506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12721}}^1$

素因数の和:12797

約数の個数: 16

約数和(自身を含む): 33128088

約数和(自身を除く): 12952582

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 12721, 25442, 165373, 330746, 775981, 1551962, 10087753, 20175506]

約数ペア:

[(1, 20175506), (2, 10087753), (13, 1551962), (26, 775981), (61, 330746), (122, 165373), (793, 25442), (1586, 12721)]