20279337

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9811}}^1$

素因数の和:9880

約数の個数: 16

約数和(自身を含む): 29671488

約数和(自身を除く): 9392151

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9811, 29433, 127543, 382629, 519983, 1559949, 6759779, 20279337]

約数ペア:

[(1, 20279337), (3, 6759779), (13, 1559949), (39, 519983), (53, 382629), (159, 127543), (689, 29433), (2067, 9811)]