20184572667

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{186889}}^1$

素因数の和:187075

約数の個数: 32

約数和(自身を含む): 31816153600

約数和(自身を除く): 11631580933

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 777, 973, 2919, 5143, 15429, 36001, 108003, 186889, 560667, 1308223, 3924669, 6914893, 20744679, 25977571, 48404251, 77932713, 145212753, 181842997, 545528991, 961170127, 2883510381, 6728190889, 20184572667]

約数ペア:

[(1, 20184572667), (3, 6728190889), (7, 2883510381), (21, 961170127), (37, 545528991), (111, 181842997), (139, 145212753), (259, 77932713), (417, 48404251), (777, 25977571), (973, 20744679), (2919, 6914893), (5143, 3924669), (15429, 1308223), (36001, 560667), (108003, 186889)]