20187718479

素因数分解:

$3^3\times {\mathrm{61151}}^1\times {\mathrm{12227}}^1$

素因数の和:73387

約数の個数: 16

約数和(自身を含む): 29910666240

約数和(自身を除く): 9722947761

約数列:

[1, 3, 9, 27, 12227, 36681, 61151, 110043, 183453, 330129, 550359, 1651077, 747693277, 2243079831, 6729239493, 20187718479]

約数ペア:

[(1, 20187718479), (3, 6729239493), (9, 2243079831), (27, 747693277), (12227, 1651077), (36681, 550359), (61151, 330129), (110043, 183453)]