20958465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3433}}^1$

素因数の和:3489

約数の個数: 32

約数和(自身を含む): 37581696

約数和(自身を除く): 16623231

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3433, 6105, 10299, 17165, 37763, 51495, 113289, 127021, 188815, 381063, 566445, 635105, 1397231, 1905315, 4191693, 6986155, 20958465]

約数ペア:

[(1, 20958465), (3, 6986155), (5, 4191693), (11, 1905315), (15, 1397231), (33, 635105), (37, 566445), (55, 381063), (111, 188815), (165, 127021), (185, 113289), (407, 51495), (555, 37763), (1221, 17165), (2035, 10299), (3433, 6105)]