20377615

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 25310880

約数和(自身を除く): 4933265

約数列:

[1, 5, 41, 107, 205, 535, 929, 4387, 4645, 21935, 38089, 99403, 190445, 497015, 4075523, 20377615]

約数ペア:

[(1, 20377615), (5, 4075523), (41, 497015), (107, 190445), (205, 99403), (535, 38089), (929, 21935), (4387, 4645)]