20147994

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8677}}^1$

素因数の和:8731

約数の個数: 32

約数和(自身を含む): 45819840

約数和(自身を除く): 25671846

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8677, 17354, 26031, 52062, 78093, 156186, 234279, 373111, 468558, 746222, 1119333, 2238666, 3357999, 6715998, 10073997, 20147994]

約数ペア:

[(1, 20147994), (2, 10073997), (3, 6715998), (6, 3357999), (9, 2238666), (18, 1119333), (27, 746222), (43, 468558), (54, 373111), (86, 234279), (129, 156186), (258, 78093), (387, 52062), (774, 26031), (1161, 17354), (2322, 8677)]