20199427285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1\times {\mathrm{2251}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 25856779392

約数和(自身を除く): 5657352107

約数列:

[1, 5, 17, 85, 193, 547, 965, 2251, 2735, 3281, 9299, 11255, 16405, 38267, 46495, 105571, 191335, 434443, 527855, 1231297, 1794707, 2172215, 6156485, 7385531, 8973535, 20932049, 36927655, 104660245, 237640321, 1188201605, 4039885457, 20199427285]

約数ペア:

[(1, 20199427285), (5, 4039885457), (17, 1188201605), (85, 237640321), (193, 104660245), (547, 36927655), (965, 20932049), (2251, 8973535), (2735, 7385531), (3281, 6156485), (9299, 2172215), (11255, 1794707), (16405, 1231297), (38267, 527855), (46495, 434443), (105571, 191335)]