20217876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1033}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 54198144

約数和(自身を除く): 33980268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 233, 466, 699, 932, 1033, 1398, 1631, 2066, 2796, 3099, 3262, 4132, 4893, 6198, 6524, 7231, 9786, 12396, 14462, 19572, 21693, 28924, 43386, 86772, 240689, 481378, 722067, 962756, 1444134, 1684823, 2888268, 3369646, 5054469, 6739292, 10108938, 20217876]

約数ペア:

[(1, 20217876), (2, 10108938), (3, 6739292), (4, 5054469), (6, 3369646), (7, 2888268), (12, 1684823), (14, 1444134), (21, 962756), (28, 722067), (42, 481378), (84, 240689), (233, 86772), (466, 43386), (699, 28924), (932, 21693), (1033, 19572), (1398, 14462), (1631, 12396), (2066, 9786), (2796, 7231), (3099, 6524), (3262, 6198), (4132, 4893)]