20951570

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31271}}^1$

素因数の和:31345

約数の個数: 16

約数和(自身を含む): 38276928

約数和(自身を除く): 17325358

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31271, 62542, 156355, 312710, 2095157, 4190314, 10475785, 20951570]

約数ペア:

[(1, 20951570), (2, 10475785), (5, 4190314), (10, 2095157), (67, 312710), (134, 156355), (335, 62542), (670, 31271)]