20522047

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3697}}^1$

素因数の和:3778

約数の個数: 16

約数和(自身を含む): 25678912

約数和(自身を除く): 5156865

約数列:

[1, 7, 13, 61, 91, 427, 793, 3697, 5551, 25879, 48061, 225517, 336427, 1578619, 2931721, 20522047]

約数ペア:

[(1, 20522047), (7, 2931721), (13, 1578619), (61, 336427), (91, 225517), (427, 48061), (793, 25879), (3697, 5551)]