20443220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146023}}^1$

素因数の和:146039

約数の個数: 24

約数和(自身を含む): 49064064

約数和(自身を除く): 28620844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146023, 292046, 584092, 730115, 1022161, 1460230, 2044322, 2920460, 4088644, 5110805, 10221610, 20443220]

約数ペア:

[(1, 20443220), (2, 10221610), (4, 5110805), (5, 4088644), (7, 2920460), (10, 2044322), (14, 1460230), (20, 1022161), (28, 730115), (35, 584092), (70, 292046), (140, 146023)]