20468045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13691}}^1$

素因数の和:13732

約数の個数: 16

約数和(自身を含む): 27603072

約数和(自身を除く): 7135027

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13691, 68455, 177983, 314893, 889915, 1574465, 4093609, 20468045]

約数ペア:

[(1, 20468045), (5, 4093609), (13, 1574465), (23, 889915), (65, 314893), (115, 177983), (299, 68455), (1495, 13691)]