20576655

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3779}}^1$

素因数の和:3812

約数の個数: 36

約数和(自身を含む): 39213720

約数和(自身を除く): 18637065

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 3779, 5445, 11337, 18895, 34011, 41569, 56685, 124707, 170055, 207845, 374121, 457259, 623535, 1371777, 1870605, 2286295, 4115331, 6858885, 20576655]

約数ペア:

[(1, 20576655), (3, 6858885), (5, 4115331), (9, 2286295), (11, 1870605), (15, 1371777), (33, 623535), (45, 457259), (55, 374121), (99, 207845), (121, 170055), (165, 124707), (363, 56685), (495, 41569), (605, 34011), (1089, 18895), (1815, 11337), (3779, 5445)]