20078695

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44129}}^1$

素因数の和:44154

約数の個数: 16

約数和(自身を含む): 29655360

約数和(自身を除く): 9576665

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44129, 220645, 308903, 573677, 1544515, 2868385, 4015739, 20078695]

約数ペア:

[(1, 20078695), (5, 4015739), (7, 2868385), (13, 1544515), (35, 573677), (65, 308903), (91, 220645), (455, 44129)]