20436530

素因数分解:

$2^1\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1583}}^1$

素因数の和:2881

約数の個数: 16

約数和(自身を含む): 36837504

約数和(自身を除く): 16400974

約数列:

[1, 2, 5, 10, 1291, 1583, 2582, 3166, 6455, 7915, 12910, 15830, 2043653, 4087306, 10218265, 20436530]

約数ペア:

[(1, 20436530), (2, 10218265), (5, 4087306), (10, 2043653), (1291, 15830), (1583, 12910), (2582, 7915), (3166, 6455)]