20888928027

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{33223}}^1$

素因数の和:33345

約数の個数: 64

約数和(自身を含む): 35403494400

約数和(自身を除く): 14514566373

約数列:

[1, 3, 9, 11, 27, 29, 33, 73, 87, 99, 219, 261, 297, 319, 657, 783, 803, 957, 1971, 2117, 2409, 2871, 6351, 7227, 8613, 19053, 21681, 23287, 33223, 57159, 69861, 99669, 209583, 299007, 365453, 628749, 897021, 963467, 1096359, 2425279, 2890401, 3289077, 7275837, 8671203, 9867231, 10598137, 21827511, 26013609, 26678069, 31794411, 65482533, 70333091, 80034207, 95383233, 210999273, 240102621, 286149699, 632997819, 720307863, 773664001, 1898993457, 2320992003, 6962976009, 20888928027]

約数ペア:

[(1, 20888928027), (3, 6962976009), (9, 2320992003), (11, 1898993457), (27, 773664001), (29, 720307863), (33, 632997819), (73, 286149699), (87, 240102621), (99, 210999273), (219, 95383233), (261, 80034207), (297, 70333091), (319, 65482533), (657, 31794411), (783, 26678069), (803, 26013609), (957, 21827511), (1971, 10598137), (2117, 9867231), (2409, 8671203), (2871, 7275837), (6351, 3289077), (7227, 2890401), (8613, 2425279), (19053, 1096359), (21681, 963467), (23287, 897021), (33223, 628749), (57159, 365453), (69861, 299007), (99669, 209583)]