20791400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14851}}^1$

素因数の和:14874

約数の個数: 48

約数和(自身を含む): 55249440

約数和(自身を除く): 34458040

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, 14851, 29702, 59404, 74255, 103957, 118808, 148510, 207914, 297020, 371275, 415828, 519785, 594040, 742550, 831656, 1039570, 1485100, 2079140, 2598925, 2970200, 4158280, 5197850, 10395700, 20791400]

約数ペア:

[(1, 20791400), (2, 10395700), (4, 5197850), (5, 4158280), (7, 2970200), (8, 2598925), (10, 2079140), (14, 1485100), (20, 1039570), (25, 831656), (28, 742550), (35, 594040), (40, 519785), (50, 415828), (56, 371275), (70, 297020), (100, 207914), (140, 148510), (175, 118808), (200, 103957), (280, 74255), (350, 59404), (700, 29702), (1400, 14851)]