20180969

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 21648384

約数和(自身を除く): 1467415

約数列:

[1, 31, 53, 71, 173, 1643, 2201, 3763, 5363, 9169, 12283, 116653, 284239, 380773, 650999, 20180969]

約数ペア:

[(1, 20180969), (31, 650999), (53, 380773), (71, 284239), (173, 116653), (1643, 12283), (2201, 9169), (3763, 5363)]