20987150844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{471791}}^1$

素因数の和:472146

約数の個数: 48

約数和(自身を含む): 53580473856

約数和(自身を除く): 32593323012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 337, 674, 1011, 1348, 2022, 3707, 4044, 7414, 11121, 14828, 22242, 44484, 471791, 943582, 1415373, 1887164, 2830746, 5189701, 5661492, 10379402, 15569103, 20758804, 31138206, 62276412, 158993567, 317987134, 476980701, 635974268, 953961402, 1748929237, 1907922804, 3497858474, 5246787711, 6995716948, 10493575422, 20987150844]

約数ペア:

[(1, 20987150844), (2, 10493575422), (3, 6995716948), (4, 5246787711), (6, 3497858474), (11, 1907922804), (12, 1748929237), (22, 953961402), (33, 635974268), (44, 476980701), (66, 317987134), (132, 158993567), (337, 62276412), (674, 31138206), (1011, 20758804), (1348, 15569103), (2022, 10379402), (3707, 5661492), (4044, 5189701), (7414, 2830746), (11121, 1887164), (14828, 1415373), (22242, 943582), (44484, 471791)]