20448820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146063}}^1$

素因数の和:146079

約数の個数: 24

約数和(自身を含む): 49077504

約数和(自身を除く): 28628684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146063, 292126, 584252, 730315, 1022441, 1460630, 2044882, 2921260, 4089764, 5112205, 10224410, 20448820]

約数ペア:

[(1, 20448820), (2, 10224410), (4, 5112205), (5, 4089764), (7, 2921260), (10, 2044882), (14, 1460630), (20, 1022441), (28, 730315), (35, 584252), (70, 292126), (140, 146063)]