20398192

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2447}}^1$

素因数の和:2976

約数の個数: 20

約数和(自身を含む): 39613536

約数和(自身を除く): 19215344

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2447, 4168, 4894, 8336, 9788, 19576, 39152, 1274887, 2549774, 5099548, 10199096, 20398192]

約数ペア:

[(1, 20398192), (2, 10199096), (4, 5099548), (8, 2549774), (16, 1274887), (521, 39152), (1042, 19576), (2084, 9788), (2447, 8336), (4168, 4894)]