20178946415

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1\times {\mathrm{39397}}^1$

素因数の和:40642

約数の個数: 16

約数和(自身を含む): 24508707840

約数和(自身を除く): 4329761425

約数列:

[1, 5, 89, 445, 1151, 5755, 39397, 102439, 196985, 512195, 3506333, 17531665, 45345947, 226729735, 4035789283, 20178946415]

約数ペア:

[(1, 20178946415), (5, 4035789283), (89, 226729735), (445, 45345947), (1151, 17531665), (5755, 3506333), (39397, 512195), (102439, 196985)]