20725647564

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{90901963}}^1$

素因数の和:90901989

約数の個数: 24

約数和(自身を含む): 50905099840

約数和(自身を除く): 30179452276

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 90901963, 181803926, 272705889, 363607852, 545411778, 1090823556, 1727137297, 3454274594, 5181411891, 6908549188, 10362823782, 20725647564]

約数ペア:

[(1, 20725647564), (2, 10362823782), (3, 6908549188), (4, 5181411891), (6, 3454274594), (12, 1727137297), (19, 1090823556), (38, 545411778), (57, 363607852), (76, 272705889), (114, 181803926), (228, 90901963)]