20414040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{547}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 61551360

約数和(自身を除く): 41137320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 547, 622, 933, 1094, 1244, 1555, 1641, 1866, 2188, 2488, 2735, 3110, 3282, 3732, 4376, 4665, 5470, 6220, 6564, 7464, 8205, 9330, 10940, 12440, 13128, 16410, 18660, 21880, 32820, 37320, 65640, 170117, 340234, 510351, 680468, 850585, 1020702, 1360936, 1701170, 2041404, 2551755, 3402340, 4082808, 5103510, 6804680, 10207020, 20414040]

約数ペア:

[(1, 20414040), (2, 10207020), (3, 6804680), (4, 5103510), (5, 4082808), (6, 3402340), (8, 2551755), (10, 2041404), (12, 1701170), (15, 1360936), (20, 1020702), (24, 850585), (30, 680468), (40, 510351), (60, 340234), (120, 170117), (311, 65640), (547, 37320), (622, 32820), (933, 21880), (1094, 18660), (1244, 16410), (1555, 13128), (1641, 12440), (1866, 10940), (2188, 9330), (2488, 8205), (2735, 7464), (3110, 6564), (3282, 6220), (3732, 5470), (4376, 4665)]