20705178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{265451}}^1$

素因数の和:265469

約数の個数: 16

約数和(自身を含む): 44595936

約数和(自身を除く): 23890758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 265451, 530902, 796353, 1592706, 3450863, 6901726, 10352589, 20705178]

約数ペア:

[(1, 20705178), (2, 10352589), (3, 6901726), (6, 3450863), (13, 1592706), (26, 796353), (39, 530902), (78, 265451)]