20807521096

素因数分解:

$2^3\times {\mathrm{1907}}^1\times {\mathrm{1363891}}^1$

素因数の和:1365804

約数の個数: 16

約数和(自身を含む): 39034589040

約数和(自身を除く): 18227067944

約数列:

[1, 2, 4, 8, 1907, 3814, 7628, 15256, 1363891, 2727782, 5455564, 10911128, 2600940137, 5201880274, 10403760548, 20807521096]

約数ペア:

[(1, 20807521096), (2, 10403760548), (4, 5201880274), (8, 2600940137), (1907, 10911128), (3814, 5455564), (7628, 2727782), (15256, 1363891)]