20649156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{503}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 32186172

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 311, 503, 622, 933, 1006, 1244, 1509, 1866, 2012, 3018, 3421, 3732, 5533, 6036, 6842, 10263, 11066, 13684, 16599, 20526, 22132, 33198, 41052, 66396, 156433, 312866, 469299, 625732, 938598, 1720763, 1877196, 3441526, 5162289, 6883052, 10324578, 20649156]

約数ペア:

[(1, 20649156), (2, 10324578), (3, 6883052), (4, 5162289), (6, 3441526), (11, 1877196), (12, 1720763), (22, 938598), (33, 625732), (44, 469299), (66, 312866), (132, 156433), (311, 66396), (503, 41052), (622, 33198), (933, 22132), (1006, 20526), (1244, 16599), (1509, 13684), (1866, 11066), (2012, 10263), (3018, 6842), (3421, 6036), (3732, 5533)]