20857086

素因数分解:

$2^1\times 3^2\times {\mathrm{773}}^1\times {\mathrm{1499}}^1$

素因数の和:2280

約数の個数: 24

約数和(自身を含む): 45279000

約数和(自身を除く): 24421914

約数列:

[1, 2, 3, 6, 9, 18, 773, 1499, 1546, 2319, 2998, 4497, 4638, 6957, 8994, 13491, 13914, 26982, 1158727, 2317454, 3476181, 6952362, 10428543, 20857086]

約数ペア:

[(1, 20857086), (2, 10428543), (3, 6952362), (6, 3476181), (9, 2317454), (18, 1158727), (773, 26982), (1499, 13914), (1546, 13491), (2319, 8994), (2998, 6957), (4497, 4638)]