20579455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2311}}^1$

素因数の和:2466

約数の個数: 16

約数和(自身を含む): 26800704

約数和(自身を除く): 6221249

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2311, 8905, 11555, 30043, 150215, 316607, 1583035, 4115891, 20579455]

約数ペア:

[(1, 20579455), (5, 4115891), (13, 1583035), (65, 316607), (137, 150215), (685, 30043), (1781, 11555), (2311, 8905)]