20952934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1123}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 33180480

約数和(自身を除く): 12227546

約数列:

[1, 2, 19, 38, 491, 982, 1123, 2246, 9329, 18658, 21337, 42674, 551393, 1102786, 10476467, 20952934]

約数ペア:

[(1, 20952934), (2, 10476467), (19, 1102786), (38, 551393), (491, 42674), (982, 21337), (1123, 18658), (2246, 9329)]