20955590

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31277}}^1$

素因数の和:31351

約数の個数: 16

約数和(自身を含む): 38284272

約数和(自身を除く): 17328682

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31277, 62554, 156385, 312770, 2095559, 4191118, 10477795, 20955590]

約数ペア:

[(1, 20955590), (2, 10477795), (5, 4191118), (10, 2095559), (67, 312770), (134, 156385), (335, 62554), (670, 31277)]