20707335

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3803}}^1$

素因数の和:3836

約数の個数: 36

約数和(自身を含む): 39462696

約数和(自身を除く): 18755361

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 3803, 5445, 11409, 19015, 34227, 41833, 57045, 125499, 171135, 209165, 376497, 460163, 627495, 1380489, 1882485, 2300815, 4141467, 6902445, 20707335]

約数ペア:

[(1, 20707335), (3, 6902445), (5, 4141467), (9, 2300815), (11, 1882485), (15, 1380489), (33, 627495), (45, 460163), (55, 376497), (99, 209165), (121, 171135), (165, 125499), (363, 57045), (495, 41833), (605, 34227), (1089, 19015), (1815, 11409), (3803, 5445)]