20106886

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:888

約数の個数: 24

約数和(自身を含む): 32824440

約数和(自身を除く): 12717554

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 809, 1462, 1618, 12427, 13753, 24854, 27506, 34787, 69574, 233801, 467602, 591379, 1182758, 10053443, 20106886]

約数ペア:

[(1, 20106886), (2, 10053443), (17, 1182758), (34, 591379), (43, 467602), (86, 233801), (289, 69574), (578, 34787), (731, 27506), (809, 24854), (1462, 13753), (1618, 12427)]