20025874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21169}}^1$

素因数の和:21225

約数の個数: 16

約数和(自身を含む): 33533280

約数和(自身を除く): 13507406

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21169, 42338, 232859, 465718, 910267, 1820534, 10012937, 20025874]

約数ペア:

[(1, 20025874), (2, 10012937), (11, 1820534), (22, 910267), (43, 465718), (86, 232859), (473, 42338), (946, 21169)]