20153270

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4787}}^1$

素因数の和:5215

約数の個数: 16

約数和(自身を含む): 36369648

約数和(自身を除く): 16216378

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4787, 9574, 23935, 47870, 2015327, 4030654, 10076635, 20153270]

約数ペア:

[(1, 20153270), (2, 10076635), (5, 4030654), (10, 2015327), (421, 47870), (842, 23935), (2105, 9574), (4210, 4787)]