20159804

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15319}}^1$

素因数の和:15377

約数の個数: 24

約数和(自身を含む): 41180160

約数和(自身を除く): 21020356

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15319, 30638, 61276, 107233, 214466, 428932, 719993, 1439986, 2879972, 5039951, 10079902, 20159804]

約数ペア:

[(1, 20159804), (2, 10079902), (4, 5039951), (7, 2879972), (14, 1439986), (28, 719993), (47, 428932), (94, 214466), (188, 107233), (329, 61276), (658, 30638), (1316, 15319)]