20027931

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 33520128

約数和(自身を除く): 13492197

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 277, 313, 831, 939, 1939, 2191, 3047, 3443, 5817, 6573, 9141, 10329, 21329, 24101, 63987, 72303, 86701, 260103, 606907, 953711, 1820721, 2861133, 6675977, 20027931]

約数ペア:

[(1, 20027931), (3, 6675977), (7, 2861133), (11, 1820721), (21, 953711), (33, 606907), (77, 260103), (231, 86701), (277, 72303), (313, 63987), (831, 24101), (939, 21329), (1939, 10329), (2191, 9141), (3047, 6573), (3443, 5817)]