20698353

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9311}}^1$

素因数の和:9349

約数の個数: 24

約数和(自身を含む): 33895680

約数和(自身を除く): 13197327

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9311, 27933, 83799, 121043, 176909, 363129, 530727, 1089387, 1592181, 2299817, 6899451, 20698353]

約数ペア:

[(1, 20698353), (3, 6899451), (9, 2299817), (13, 1592181), (19, 1089387), (39, 530727), (57, 363129), (117, 176909), (171, 121043), (247, 83799), (741, 27933), (2223, 9311)]