20450013700

素因数分解:

$2^2\times 5^2\times {\mathrm{719}}^1\times {\mathrm{284423}}^1$

素因数の和:285156

約数の個数: 36

約数和(自身を含む): 44438405760

約数和(自身を除く): 23988392060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 719, 1438, 2876, 3595, 7190, 14380, 17975, 35950, 71900, 284423, 568846, 1137692, 1422115, 2844230, 5688460, 7110575, 14221150, 28442300, 204500137, 409000274, 818000548, 1022500685, 2045001370, 4090002740, 5112503425, 10225006850, 20450013700]

約数ペア:

[(1, 20450013700), (2, 10225006850), (4, 5112503425), (5, 4090002740), (10, 2045001370), (20, 1022500685), (25, 818000548), (50, 409000274), (100, 204500137), (719, 28442300), (1438, 14221150), (2876, 7110575), (3595, 5688460), (7190, 2844230), (14380, 1422115), (17975, 1137692), (35950, 568846), (71900, 284423)]