20922986

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13711}}^1$

素因数の和:13829

約数の個数: 16

約数和(自身を含む): 36199680

約数和(自身を除く): 15276694

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13711, 27422, 95977, 191954, 1494499, 2988998, 10461493, 20922986]

約数ペア:

[(1, 20922986), (2, 10461493), (7, 2988998), (14, 1494499), (109, 191954), (218, 95977), (763, 27422), (1526, 13711)]