20124235

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1103}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 4914485

約数列:

[1, 5, 41, 89, 205, 445, 1103, 3649, 5515, 18245, 45223, 98167, 226115, 490835, 4024847, 20124235]

約数ペア:

[(1, 20124235), (5, 4024847), (41, 490835), (89, 226115), (205, 98167), (445, 45223), (1103, 18245), (3649, 5515)]