20574807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4129}}^1$

素因数の和:4294

約数の個数: 16

約数和(自身を含む): 30132480

約数和(自身を除く): 9557673

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4129, 4983, 12387, 45419, 136257, 623479, 1870437, 6858269, 20574807]

約数ペア:

[(1, 20574807), (3, 6858269), (11, 1870437), (33, 623479), (151, 136257), (453, 45419), (1661, 12387), (4129, 4983)]