20057555

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2909}}^1$

素因数の和:3118

約数の個数: 16

約数和(自身を含む): 27656640

約数和(自身を除く): 7599085

約数列:

[1, 5, 7, 35, 197, 985, 1379, 2909, 6895, 14545, 20363, 101815, 573073, 2865365, 4011511, 20057555]

約数ペア:

[(1, 20057555), (5, 4011511), (7, 2865365), (35, 573073), (197, 101815), (985, 20363), (1379, 14545), (2909, 6895)]