20916146

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2273}}^1$

素因数の和:2425

約数の個数: 16

約数和(自身を含む): 32418144

約数和(自身を除く): 11501998

約数列:

[1, 2, 43, 86, 107, 214, 2273, 4546, 4601, 9202, 97739, 195478, 243211, 486422, 10458073, 20916146]

約数ペア:

[(1, 20916146), (2, 10458073), (43, 486422), (86, 243211), (107, 195478), (214, 97739), (2273, 9202), (4546, 4601)]