20855740

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3559}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 43958880

約数和(自身を除く): 23103140

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3559, 5860, 7118, 14236, 17795, 35590, 71180, 1042787, 2085574, 4171148, 5213935, 10427870, 20855740]

約数ペア:

[(1, 20855740), (2, 10427870), (4, 5213935), (5, 4171148), (10, 2085574), (20, 1042787), (293, 71180), (586, 35590), (1172, 17795), (1465, 14236), (2930, 7118), (3559, 5860)]