20697876

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2309}}^1$

素因数の和:2405

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 33633324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2309, 2988, 4482, 4618, 6927, 8964, 9236, 13854, 20781, 27708, 41562, 62343, 83124, 124686, 191647, 249372, 383294, 574941, 766588, 1149882, 1724823, 2299764, 3449646, 5174469, 6899292, 10348938, 20697876]

約数ペア:

[(1, 20697876), (2, 10348938), (3, 6899292), (4, 5174469), (6, 3449646), (9, 2299764), (12, 1724823), (18, 1149882), (27, 766588), (36, 574941), (54, 383294), (83, 249372), (108, 191647), (166, 124686), (249, 83124), (332, 62343), (498, 41562), (747, 27708), (996, 20781), (1494, 13854), (2241, 9236), (2309, 8964), (2988, 6927), (4482, 4618)]