20166457912

素因数分解:

$2^3\times {\mathrm{2543}}^1\times {\mathrm{991273}}^1$

素因数の和:993822

約数の個数: 16

約数和(自身を含む): 37827015840

約数和(自身を除く): 17660557928

約数列:

[1, 2, 4, 8, 2543, 5086, 10172, 20344, 991273, 1982546, 3965092, 7930184, 2520807239, 5041614478, 10083228956, 20166457912]

約数ペア:

[(1, 20166457912), (2, 10083228956), (4, 5041614478), (8, 2520807239), (2543, 7930184), (5086, 3965092), (10172, 1982546), (20344, 991273)]