20641772

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 36898176

約数和(自身を除く): 16256404

約数列:

[1, 2, 4, 73, 146, 223, 292, 317, 446, 634, 892, 1268, 16279, 23141, 32558, 46282, 65116, 70691, 92564, 141382, 282764, 5160443, 10320886, 20641772]

約数ペア:

[(1, 20641772), (2, 10320886), (4, 5160443), (73, 282764), (146, 141382), (223, 92564), (292, 70691), (317, 65116), (446, 46282), (634, 32558), (892, 23141), (1268, 16279)]