20645852

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 37346400

約数和(自身を除く): 16700548

約数列:

[1, 2, 4, 37, 74, 148, 199, 398, 701, 796, 1402, 2804, 7363, 14726, 25937, 29452, 51874, 103748, 139499, 278998, 557996, 5161463, 10322926, 20645852]

約数ペア:

[(1, 20645852), (2, 10322926), (4, 5161463), (37, 557996), (74, 278998), (148, 139499), (199, 103748), (398, 51874), (701, 29452), (796, 25937), (1402, 14726), (2804, 7363)]