20173925390

素因数分解:

$2^1\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1991503}}^1$

素因数の和:1992523

約数の個数: 16

約数和(自身を含む): 36348931008

約数和(自身を除く): 16175005618

約数列:

[1, 2, 5, 10, 1013, 2026, 5065, 10130, 1991503, 3983006, 9957515, 19915030, 2017392539, 4034785078, 10086962695, 20173925390]

約数ペア:

[(1, 20173925390), (2, 10086962695), (5, 4034785078), (10, 2017392539), (1013, 19915030), (2026, 9957515), (5065, 3983006), (10130, 1991503)]