22086520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12841}}^1$

素因数の和:12895

約数の個数: 32

約数和(自身を含む): 50854320

約数和(自身を除く): 28767800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 12841, 25682, 51364, 64205, 102728, 128410, 256820, 513640, 552163, 1104326, 2208652, 2760815, 4417304, 5521630, 11043260, 22086520]

約数ペア:

[(1, 22086520), (2, 11043260), (4, 5521630), (5, 4417304), (8, 2760815), (10, 2208652), (20, 1104326), (40, 552163), (43, 513640), (86, 256820), (172, 128410), (215, 102728), (344, 64205), (430, 51364), (860, 25682), (1720, 12841)]