20523220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14057}}^1$

素因数の和:14139

約数の個数: 24

約数和(自身を含む): 43692264

約数和(自身を除く): 23169044

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14057, 28114, 56228, 70285, 140570, 281140, 1026161, 2052322, 4104644, 5130805, 10261610, 20523220]

約数ペア:

[(1, 20523220), (2, 10261610), (4, 5130805), (5, 4104644), (10, 2052322), (20, 1026161), (73, 281140), (146, 140570), (292, 70285), (365, 56228), (730, 28114), (1460, 14057)]