20113985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1663}}^1$

素因数の和:1768

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 5045695

約数列:

[1, 5, 41, 59, 205, 295, 1663, 2419, 8315, 12095, 68183, 98117, 340915, 490585, 4022797, 20113985]

約数ペア:

[(1, 20113985), (5, 4022797), (41, 490585), (59, 340915), (205, 98117), (295, 68183), (1663, 12095), (2419, 8315)]