20261615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2689}}^1$

素因数の和:2842

約数の個数: 16

約数和(自身を含む): 26727840

約数和(自身を除く): 6466225

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2689, 7535, 13445, 29579, 147895, 368393, 1841965, 4052323, 20261615]

約数ペア:

[(1, 20261615), (5, 4052323), (11, 1841965), (55, 368393), (137, 147895), (685, 29579), (1507, 13445), (2689, 7535)]