20394420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339907}}^1$

素因数の和:339919

約数の個数: 24

約数和(自身を含む): 57104544

約数和(自身を除く): 36710124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339907, 679814, 1019721, 1359628, 1699535, 2039442, 3399070, 4078884, 5098605, 6798140, 10197210, 20394420]

約数ペア:

[(1, 20394420), (2, 10197210), (3, 6798140), (4, 5098605), (5, 4078884), (6, 3399070), (10, 2039442), (12, 1699535), (15, 1359628), (20, 1019721), (30, 679814), (60, 339907)]