20711640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172597}}^1$

素因数の和:172611

約数の個数: 32

約数和(自身を含む): 62135280

約数和(自身を除く): 41423640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172597, 345194, 517791, 690388, 862985, 1035582, 1380776, 1725970, 2071164, 2588955, 3451940, 4142328, 5177910, 6903880, 10355820, 20711640]

約数ペア:

[(1, 20711640), (2, 10355820), (3, 6903880), (4, 5177910), (5, 4142328), (6, 3451940), (8, 2588955), (10, 2071164), (12, 1725970), (15, 1380776), (20, 1035582), (24, 862985), (30, 690388), (40, 517791), (60, 345194), (120, 172597)]