16920085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 25627392

約数和(自身を除く): 8707307

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 907, 1435, 2665, 3731, 4535, 6349, 11791, 18655, 31745, 37187, 58955, 82537, 185935, 260309, 412685, 483431, 1301545, 2417155, 3384017, 16920085]

約数ペア:

[(1, 16920085), (5, 3384017), (7, 2417155), (13, 1301545), (35, 483431), (41, 412685), (65, 260309), (91, 185935), (205, 82537), (287, 58955), (455, 37187), (533, 31745), (907, 18655), (1435, 11791), (2665, 6349), (3731, 4535)]