20139455

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9433}}^1$

素因数の和:9506

約数の個数: 16

約数和(自身を含む): 28075584

約数和(自身を除く): 7936129

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9433, 47165, 66031, 330155, 575413, 2877065, 4027891, 20139455]

約数ペア:

[(1, 20139455), (5, 4027891), (7, 2877065), (35, 575413), (61, 330155), (305, 66031), (427, 47165), (2135, 9433)]