820248956

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{858001}}^1$

素因数の和:858244

約数の個数: 12

約数和(自身を含む): 1441443360

約数和(自身を除く): 621194404

約数列:

[1, 2, 4, 239, 478, 956, 858001, 1716002, 3432004, 205062239, 410124478, 820248956]

約数ペア:

[(1, 820248956), (2, 410124478), (4, 205062239), (239, 3432004), (478, 1716002), (956, 858001)]