20447140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146051}}^1$

素因数の和:146067

約数の個数: 24

約数和(自身を含む): 49073472

約数和(自身を除く): 28626332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146051, 292102, 584204, 730255, 1022357, 1460510, 2044714, 2921020, 4089428, 5111785, 10223570, 20447140]

約数ペア:

[(1, 20447140), (2, 10223570), (4, 5111785), (5, 4089428), (7, 2921020), (10, 2044714), (14, 1460510), (20, 1022357), (28, 730255), (35, 584204), (70, 292102), (140, 146051)]