20563311

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5623}}^1$

素因数の和:5702

約数の個数: 16

約数和(自身を含む): 29154816

約数和(自身を除く): 8591505

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5623, 16869, 129329, 298019, 387987, 894057, 6854437, 20563311]

約数ペア:

[(1, 20563311), (3, 6854437), (23, 894057), (53, 387987), (69, 298019), (159, 129329), (1219, 16869), (3657, 5623)]