20516628

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3307}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 53351424

約数和(自身を除く): 32834796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 132, 141, 188, 282, 517, 564, 1034, 1551, 2068, 3102, 3307, 6204, 6614, 9921, 13228, 19842, 36377, 39684, 72754, 109131, 145508, 155429, 218262, 310858, 436524, 466287, 621716, 932574, 1709719, 1865148, 3419438, 5129157, 6838876, 10258314, 20516628]

約数ペア:

[(1, 20516628), (2, 10258314), (3, 6838876), (4, 5129157), (6, 3419438), (11, 1865148), (12, 1709719), (22, 932574), (33, 621716), (44, 466287), (47, 436524), (66, 310858), (94, 218262), (132, 155429), (141, 145508), (188, 109131), (282, 72754), (517, 39684), (564, 36377), (1034, 19842), (1551, 13228), (2068, 9921), (3102, 6614), (3307, 6204)]