20610909

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2442

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 13862691

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2393, 2871, 7179, 8613, 21537, 26323, 64611, 69397, 78969, 208191, 236907, 624573, 710721, 763367, 1873719, 2290101, 6870303, 20610909]

約数ペア:

[(1, 20610909), (3, 6870303), (9, 2290101), (11, 1873719), (27, 763367), (29, 710721), (33, 624573), (87, 236907), (99, 208191), (261, 78969), (297, 69397), (319, 64611), (783, 26323), (957, 21537), (2393, 8613), (2871, 7179)]