20262740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53323}}^1$

素因数の和:53351

約数の個数: 24

約数和(自身を含む): 44792160

約数和(自身を除く): 24529420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53323, 106646, 213292, 266615, 533230, 1013137, 1066460, 2026274, 4052548, 5065685, 10131370, 20262740]

約数ペア:

[(1, 20262740), (2, 10131370), (4, 5065685), (5, 4052548), (10, 2026274), (19, 1066460), (20, 1013137), (38, 533230), (76, 266615), (95, 213292), (190, 106646), (380, 53323)]