20084440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11677}}^1$

素因数の和:11731

約数の個数: 32

約数和(自身を含む): 46244880

約数和(自身を除く): 26160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11677, 23354, 46708, 58385, 93416, 116770, 233540, 467080, 502111, 1004222, 2008444, 2510555, 4016888, 5021110, 10042220, 20084440]

約数ペア:

[(1, 20084440), (2, 10042220), (4, 5021110), (5, 4016888), (8, 2510555), (10, 2008444), (20, 1004222), (40, 502111), (43, 467080), (86, 233540), (172, 116770), (215, 93416), (344, 58385), (430, 46708), (860, 23354), (1720, 11677)]