20460027

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 12828165

約数列:

[1, 3, 7, 17, 21, 51, 119, 223, 257, 357, 669, 771, 1561, 1799, 3791, 4369, 4683, 5397, 11373, 13107, 26537, 30583, 57311, 79611, 91749, 171933, 401177, 974287, 1203531, 2922861, 6820009, 20460027]

約数ペア:

[(1, 20460027), (3, 6820009), (7, 2922861), (17, 1203531), (21, 974287), (51, 401177), (119, 171933), (223, 91749), (257, 79611), (357, 57311), (669, 30583), (771, 26537), (1561, 13107), (1799, 11373), (3791, 5397), (4369, 4683)]