20045865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190913}}^1$

素因数の和:190928

約数の個数: 16

約数和(自身を含む): 36655488

約数和(自身を除く): 16609623

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190913, 572739, 954565, 1336391, 2863695, 4009173, 6681955, 20045865]

約数ペア:

[(1, 20045865), (3, 6681955), (5, 4009173), (7, 2863695), (15, 1336391), (21, 954565), (35, 572739), (105, 190913)]