20201940027

素因数分解:

$3^4\times {\mathrm{12569}}^1\times {\mathrm{19843}}^1$

素因数の和:32424

約数の個数: 20

約数和(自身を含む): 30182128680

約数和(自身を除く): 9980188653

約数列:

[1, 3, 9, 27, 81, 12569, 19843, 37707, 59529, 113121, 178587, 339363, 535761, 1018089, 1607283, 249406667, 748220001, 2244660003, 6733980009, 20201940027]

約数ペア:

[(1, 20201940027), (3, 6733980009), (9, 2244660003), (27, 748220001), (81, 249406667), (12569, 1607283), (19843, 1018089), (37707, 535761), (59529, 339363), (113121, 178587)]