20654277

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31727}}^1$

素因数の和:31768

約数の個数: 16

約数和(自身を含む): 32489472

約数和(自身を除く): 11835195

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31727, 95181, 222089, 666267, 983537, 2950611, 6884759, 20654277]

約数ペア:

[(1, 20654277), (3, 6884759), (7, 2950611), (21, 983537), (31, 666267), (93, 222089), (217, 95181), (651, 31727)]