20375404

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2027}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 20509076

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2027, 2513, 4054, 5026, 8108, 10052, 14189, 28378, 56756, 727693, 1455386, 2910772, 5093851, 10187702, 20375404]

約数ペア:

[(1, 20375404), (2, 10187702), (4, 5093851), (7, 2910772), (14, 1455386), (28, 727693), (359, 56756), (718, 28378), (1436, 14189), (2027, 10052), (2513, 8108), (4054, 5026)]