20960888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201547}}^1$

素因数の和:201566

約数の個数: 16

約数和(自身を含む): 42325080

約数和(自身を除く): 21364192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201547, 403094, 806188, 1612376, 2620111, 5240222, 10480444, 20960888]

約数ペア:

[(1, 20960888), (2, 10480444), (4, 5240222), (8, 2620111), (13, 1612376), (26, 806188), (52, 403094), (104, 201547)]