20462883

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 34891776

約数和(自身を除く): 14428893

約数列:

[1, 3, 7, 17, 21, 31, 43, 51, 93, 119, 129, 217, 301, 357, 527, 651, 731, 903, 1333, 1581, 1849, 2193, 3689, 3999, 5117, 5547, 9331, 11067, 12943, 15351, 22661, 27993, 31433, 38829, 57319, 67983, 94299, 158627, 171957, 220031, 401233, 475881, 660093, 974423, 1203699, 2923269, 6820961, 20462883]

約数ペア:

[(1, 20462883), (3, 6820961), (7, 2923269), (17, 1203699), (21, 974423), (31, 660093), (43, 475881), (51, 401233), (93, 220031), (119, 171957), (129, 158627), (217, 94299), (301, 67983), (357, 57319), (527, 38829), (651, 31433), (731, 27993), (903, 22661), (1333, 15351), (1581, 12943), (1849, 11067), (2193, 9331), (3689, 5547), (3999, 5117)]