20213305938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{688511}}^1$

素因数の和:688759

約数の個数: 48

約数和(自身を含む): 50266884096

約数和(自身を除く): 30053578158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 1398, 1631, 2097, 3262, 4194, 4893, 9786, 14679, 29358, 688511, 1377022, 2065533, 4131066, 4819577, 6196599, 9639154, 12393198, 14458731, 28917462, 43376193, 86752386, 160423063, 320846126, 481269189, 962538378, 1122961441, 1443807567, 2245922882, 2887615134, 3368884323, 6737768646, 10106652969, 20213305938]

約数ペア:

[(1, 20213305938), (2, 10106652969), (3, 6737768646), (6, 3368884323), (7, 2887615134), (9, 2245922882), (14, 1443807567), (18, 1122961441), (21, 962538378), (42, 481269189), (63, 320846126), (126, 160423063), (233, 86752386), (466, 43376193), (699, 28917462), (1398, 14458731), (1631, 12393198), (2097, 9639154), (3262, 6196599), (4194, 4819577), (4893, 4131066), (9786, 2065533), (14679, 1377022), (29358, 688511)]