20363140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145451}}^1$

素因数の和:145467

約数の個数: 24

約数和(自身を含む): 48871872

約数和(自身を除く): 28508732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145451, 290902, 581804, 727255, 1018157, 1454510, 2036314, 2909020, 4072628, 5090785, 10181570, 20363140]

約数ペア:

[(1, 20363140), (2, 10181570), (4, 5090785), (5, 4072628), (7, 2909020), (10, 2036314), (14, 1454510), (20, 1018157), (28, 727255), (35, 581804), (70, 290902), (140, 145451)]