20158455

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5623}}^1$

素因数の和:5870

約数の個数: 16

約数和(自身を含む): 32394240

約数和(自身を除く): 12235785

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5623, 16869, 28115, 84345, 1343897, 4031691, 6719485, 20158455]

約数ペア:

[(1, 20158455), (3, 6719485), (5, 4031691), (15, 1343897), (239, 84345), (717, 28115), (1195, 16869), (3585, 5623)]