20375631

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10937}}^1$

素因数の和:10972

約数の個数: 20

約数和(自身を含む): 31763952

約数和(自身を除く): 11388321

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10937, 32811, 98433, 251551, 295299, 754653, 885897, 2263959, 6791877, 20375631]

約数ペア:

[(1, 20375631), (3, 6791877), (9, 2263959), (23, 885897), (27, 754653), (69, 295299), (81, 251551), (207, 98433), (621, 32811), (1863, 10937)]