20129095

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2579}}^1$

素因数の和:2814

約数の個数: 16

約数和(自身を含む): 27740160

約数和(自身を除く): 7611065

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 2579, 7805, 12895, 18053, 90265, 575117, 2875585, 4025819, 20129095]

約数ペア:

[(1, 20129095), (5, 4025819), (7, 2875585), (35, 575117), (223, 90265), (1115, 18053), (1561, 12895), (2579, 7805)]