20510578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22739}}^1$

素因数の和:22793

約数の個数: 16

約数和(自身を含む): 34382880

約数和(自身を除く): 13872302

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22739, 45478, 250129, 500258, 932299, 1864598, 10255289, 20510578]

約数ペア:

[(1, 20510578), (2, 10255289), (11, 1864598), (22, 932299), (41, 500258), (82, 250129), (451, 45478), (902, 22739)]