20246974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3581}}^1$

素因数の和:3851

約数の個数: 16

約数和(自身を含む): 33269616

約数和(自身を除く): 13022642

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3581, 5654, 7162, 39391, 78782, 920317, 1840634, 10123487, 20246974]

約数ペア:

[(1, 20246974), (2, 10123487), (11, 1840634), (22, 920317), (257, 78782), (514, 39391), (2827, 7162), (3581, 5654)]