20777469

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3539}}^1$

素因数の和:3664

約数の個数: 16

約数和(自身を含む): 29452800

約数和(自身を除く): 8675331

約数列:

[1, 3, 19, 57, 103, 309, 1957, 3539, 5871, 10617, 67241, 201723, 364517, 1093551, 6925823, 20777469]

約数ペア:

[(1, 20777469), (3, 6925823), (19, 1093551), (57, 364517), (103, 201723), (309, 67241), (1957, 10617), (3539, 5871)]