20335180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24799}}^1$

素因数の和:24849

約数の個数: 24

約数和(自身を含む): 43747200

約数和(自身を除く): 23412020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24799, 49598, 99196, 123995, 247990, 495980, 1016759, 2033518, 4067036, 5083795, 10167590, 20335180]

約数ペア:

[(1, 20335180), (2, 10167590), (4, 5083795), (5, 4067036), (10, 2033518), (20, 1016759), (41, 495980), (82, 247990), (164, 123995), (205, 99196), (410, 49598), (820, 24799)]