20804043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5179}}^1$

素因数の和:5298

約数の個数: 16

約数和(自身を含む): 30168320

約数和(自身を除く): 9364277

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5179, 15537, 67327, 201981, 533437, 1600311, 6934681, 20804043]

約数ペア:

[(1, 20804043), (3, 6934681), (13, 1600311), (39, 533437), (103, 201981), (309, 67327), (1339, 15537), (4017, 5179)]