20317555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6899}}^1$

素因数の和:6954

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 6178445

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 6899, 34495, 131081, 213869, 655405, 1069345, 4063511, 20317555]

約数ペア:

[(1, 20317555), (5, 4063511), (19, 1069345), (31, 655405), (95, 213869), (155, 131081), (589, 34495), (2945, 6899)]