20734884

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19861}}^1$

素因数の和:19900

約数の個数: 36

約数和(自身を含む): 54223260

約数和(自身を除く): 33488376

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19861, 39722, 59583, 79444, 119166, 178749, 238332, 357498, 575969, 714996, 1151938, 1727907, 2303876, 3455814, 5183721, 6911628, 10367442, 20734884]

約数ペア:

[(1, 20734884), (2, 10367442), (3, 6911628), (4, 5183721), (6, 3455814), (9, 2303876), (12, 1727907), (18, 1151938), (29, 714996), (36, 575969), (58, 357498), (87, 238332), (116, 178749), (174, 119166), (261, 79444), (348, 59583), (522, 39722), (1044, 19861)]