20405118

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 41792256

約数和(自身を除く): 21387138

約数列:

[1, 2, 3, 6, 67, 134, 193, 201, 263, 386, 402, 526, 579, 789, 1158, 1578, 12931, 17621, 25862, 35242, 38793, 50759, 52863, 77586, 101518, 105726, 152277, 304554, 3400853, 6801706, 10202559, 20405118]

約数ペア:

[(1, 20405118), (2, 10202559), (3, 6801706), (6, 3400853), (67, 304554), (134, 152277), (193, 105726), (201, 101518), (263, 77586), (386, 52863), (402, 50759), (526, 38793), (579, 35242), (789, 25862), (1158, 17621), (1578, 12931)]