20509308547

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{5107}}^1\times {\mathrm{44131}}^1$

素因数の和:49258

約数の個数: 16

約数和(自身を含む): 25247740672

約数和(自身を除く): 4738432125

約数列:

[1, 7, 13, 91, 5107, 35749, 44131, 66391, 308917, 464737, 573703, 4015921, 225377017, 1577639119, 2929901221, 20509308547]

約数ペア:

[(1, 20509308547), (7, 2929901221), (13, 1577639119), (91, 225377017), (5107, 4015921), (35749, 573703), (44131, 464737), (66391, 308917)]