20198492848

素因数分解:

$2^4\times {\mathrm{8443}}^1\times {\mathrm{149521}}^1$

素因数の和:157972

約数の個数: 20

約数和(自身を含む): 39139476808

約数和(自身を除く): 18940983960

約数列:

[1, 2, 4, 8, 16, 8443, 16886, 33772, 67544, 135088, 149521, 299042, 598084, 1196168, 2392336, 1262405803, 2524811606, 5049623212, 10099246424, 20198492848]

約数ペア:

[(1, 20198492848), (2, 10099246424), (4, 5049623212), (8, 2524811606), (16, 1262405803), (8443, 2392336), (16886, 1196168), (33772, 598084), (67544, 299042), (135088, 149521)]