20436820

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2207}}^1$

素因数の和:2679

約数の個数: 24

約数和(自身を含む): 43029504

約数和(自身を除く): 22592684

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2207, 2315, 4414, 4630, 8828, 9260, 11035, 22070, 44140, 1021841, 2043682, 4087364, 5109205, 10218410, 20436820]

約数ペア:

[(1, 20436820), (2, 10218410), (4, 5109205), (5, 4087364), (10, 2043682), (20, 1021841), (463, 44140), (926, 22070), (1852, 11035), (2207, 9260), (2315, 8828), (4414, 4630)]