20704437

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 33608960

約数和(自身を除く): 12904523

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 967, 1647, 2379, 2901, 7137, 8703, 12571, 21411, 26109, 37713, 58987, 113139, 176961, 339417, 530883, 766831, 1592649, 2300493, 6901479, 20704437]

約数ペア:

[(1, 20704437), (3, 6901479), (9, 2300493), (13, 1592649), (27, 766831), (39, 530883), (61, 339417), (117, 176961), (183, 113139), (351, 58987), (549, 37713), (793, 26109), (967, 21411), (1647, 12571), (2379, 8703), (2901, 7137)]