20985692

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57653}}^1$

素因数の和:57677

約数の個数: 24

約数和(自身を含む): 45200736

約数和(自身を除く): 24215044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57653, 115306, 230612, 403571, 749489, 807142, 1498978, 1614284, 2997956, 5246423, 10492846, 20985692]

約数ペア:

[(1, 20985692), (2, 10492846), (4, 5246423), (7, 2997956), (13, 1614284), (14, 1498978), (26, 807142), (28, 749489), (52, 403571), (91, 230612), (182, 115306), (364, 57653)]