20121153

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5009}}^1$

素因数の和:5128

約数の個数: 16

約数和(自身を含む): 29178240

約数和(自身を除く): 9057087

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5009, 15027, 65117, 195351, 515927, 1547781, 6707051, 20121153]

約数ペア:

[(1, 20121153), (3, 6707051), (13, 1547781), (39, 515927), (103, 195351), (309, 65117), (1339, 15027), (4017, 5009)]