20417154

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{24481}}^1$

素因数の和:24625

約数の個数: 16

約数和(自身を含む): 41129760

約数和(自身を除く): 20712606

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 24481, 48962, 73443, 146886, 3402859, 6805718, 10208577, 20417154]

約数ペア:

[(1, 20417154), (2, 10208577), (3, 6805718), (6, 3402859), (139, 146886), (278, 73443), (417, 48962), (834, 24481)]