20531038

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2040

約数の個数: 24

約数和(自身を含む): 34655544

約数和(自身を除く): 14124506

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 1973, 3946, 5203, 10406, 21703, 43406, 84839, 169678, 238733, 477466, 933229, 1866458, 10265519, 20531038]

約数ペア:

[(1, 20531038), (2, 10265519), (11, 1866458), (22, 933229), (43, 477466), (86, 238733), (121, 169678), (242, 84839), (473, 43406), (946, 21703), (1973, 10406), (3946, 5203)]