20679400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14771}}^1$

素因数の和:14794

約数の個数: 48

約数和(自身を含む): 54951840

約数和(自身を除く): 34272440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14771, 29542, 59084, 73855, 103397, 118168, 147710, 206794, 295420, 369275, 413588, 516985, 590840, 738550, 827176, 1033970, 1477100, 2067940, 2584925, 2954200, 4135880, 5169850, 10339700, 20679400]

約数ペア:

[(1, 20679400), (2, 10339700), (4, 5169850), (5, 4135880), (7, 2954200), (8, 2584925), (10, 2067940), (14, 1477100), (20, 1033970), (25, 827176), (28, 738550), (35, 590840), (40, 516985), (50, 413588), (56, 369275), (70, 295420), (100, 206794), (140, 147710), (175, 118168), (200, 103397), (280, 73855), (350, 59084), (700, 29542), (1400, 14771)]