20213104996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31386809}}^1$

素因数の和:31386843

約数の個数: 24

約数和(自身を含む): 42183872640

約数和(自身を除く): 21970767644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31386809, 62773618, 125547236, 219707663, 439415326, 721896607, 878830652, 1443793214, 2887586428, 5053276249, 10106552498, 20213104996]

約数ペア:

[(1, 20213104996), (2, 10106552498), (4, 5053276249), (7, 2887586428), (14, 1443793214), (23, 878830652), (28, 721896607), (46, 439415326), (92, 219707663), (161, 125547236), (322, 62773618), (644, 31386809)]