20858447869

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{545647}}^1$

素因数の和:545824

約数の個数: 16

約数和(自身を含む): 24584716288

約数和(自身を除く): 3726268419

約数列:

[1, 7, 43, 127, 301, 889, 5461, 38227, 545647, 3819529, 23462821, 69297169, 164239747, 485080183, 2979778267, 20858447869]

約数ペア:

[(1, 20858447869), (7, 2979778267), (43, 485080183), (127, 164239747), (301, 69297169), (889, 23462821), (5461, 3819529), (38227, 545647)]