20790035

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 29552640

約数和(自身を除く): 8762605

約数列:

[1, 5, 7, 35, 73, 79, 103, 365, 395, 511, 515, 553, 721, 2555, 2765, 3605, 5767, 7519, 8137, 28835, 37595, 40369, 40685, 52633, 56959, 201845, 263165, 284795, 594001, 2970005, 4158007, 20790035]

約数ペア:

[(1, 20790035), (5, 4158007), (7, 2970005), (35, 594001), (73, 284795), (79, 263165), (103, 201845), (365, 56959), (395, 52633), (511, 40685), (515, 40369), (553, 37595), (721, 28835), (2555, 8137), (2765, 7519), (3605, 5767)]