20022416

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1811}}^1$

素因数の和:2510

約数の個数: 20

約数和(自身を含む): 38871024

約数和(自身を除く): 18848608

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1811, 2764, 3622, 5528, 7244, 11056, 14488, 28976, 1251401, 2502802, 5005604, 10011208, 20022416]

約数ペア:

[(1, 20022416), (2, 10011208), (4, 5005604), (8, 2502802), (16, 1251401), (691, 28976), (1382, 14488), (1811, 11056), (2764, 7244), (3622, 5528)]