20188996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{881}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 37562616

約数和(自身を除く): 17373620

約数列:

[1, 2, 4, 17, 34, 68, 337, 674, 881, 1348, 1762, 3524, 5729, 11458, 14977, 22916, 29954, 59908, 296897, 593794, 1187588, 5047249, 10094498, 20188996]

約数ペア:

[(1, 20188996), (2, 10094498), (4, 5047249), (17, 1187588), (34, 593794), (68, 296897), (337, 59908), (674, 29954), (881, 22916), (1348, 14977), (1762, 11458), (3524, 5729)]