20376860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145549}}^1$

素因数の和:145565

約数の個数: 24

約数和(自身を含む): 48904800

約数和(自身を除く): 28527940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145549, 291098, 582196, 727745, 1018843, 1455490, 2037686, 2910980, 4075372, 5094215, 10188430, 20376860]

約数ペア:

[(1, 20376860), (2, 10188430), (4, 5094215), (5, 4075372), (7, 2910980), (10, 2037686), (14, 1455490), (20, 1018843), (28, 727745), (35, 582196), (70, 291098), (140, 145549)]