20265723

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3823}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 31815680

約数和(自身を除く): 11549957

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3823, 5301, 11469, 34407, 72637, 118513, 217911, 355539, 653733, 1066617, 2251747, 6755241, 20265723]

約数ペア:

[(1, 20265723), (3, 6755241), (9, 2251747), (19, 1066617), (31, 653733), (57, 355539), (93, 217911), (171, 118513), (279, 72637), (589, 34407), (1767, 11469), (3823, 5301)]