20417685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 35512320

約数和(自身を除く): 15094635

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2311, 2945, 6933, 8835, 11555, 34665, 43909, 71641, 131727, 214923, 219545, 358205, 658635, 1074615, 1361179, 4083537, 6805895, 20417685]

約数ペア:

[(1, 20417685), (3, 6805895), (5, 4083537), (15, 1361179), (19, 1074615), (31, 658635), (57, 358205), (93, 219545), (95, 214923), (155, 131727), (285, 71641), (465, 43909), (589, 34665), (1767, 11555), (2311, 8835), (2945, 6933)]