20156594

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 24

約数和(自身を含む): 32905488

約数和(自身を除く): 12748894

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 811, 1462, 1622, 12427, 13787, 24854, 27574, 34873, 69746, 234379, 468758, 592841, 1185682, 10078297, 20156594]

約数ペア:

[(1, 20156594), (2, 10078297), (17, 1185682), (34, 592841), (43, 468758), (86, 234379), (289, 69746), (578, 34873), (731, 27574), (811, 24854), (1462, 13787), (1622, 12427)]