20802907827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{177802631}}^1$

素因数の和:177802650

約数の個数: 12

約数和(自身を含む): 32360079024

約数和(自身を除く): 11557171197

約数列:

[1, 3, 9, 13, 39, 117, 177802631, 533407893, 1600223679, 2311434203, 6934302609, 20802907827]

約数ペア:

[(1, 20802907827), (3, 6934302609), (9, 2311434203), (13, 1600223679), (39, 533407893), (117, 177802631)]