20199212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5531}}^1$

素因数の和:5629

約数の個数: 24

約数和(自身を含む): 39033792

約数和(自身を除く): 18834580

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5531, 11062, 22124, 60841, 121682, 243364, 459073, 918146, 1836292, 5049803, 10099606, 20199212]

約数ペア:

[(1, 20199212), (2, 10099606), (4, 5049803), (11, 1836292), (22, 918146), (44, 459073), (83, 243364), (166, 121682), (332, 60841), (913, 22124), (1826, 11062), (3652, 5531)]