20759600

素因数分解:

$2^4\times 5^2\times {\mathrm{51899}}^1$

素因数の和:51917

約数の個数: 30

約数和(自身を含む): 49875900

約数和(自身を除く): 29116300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51899, 103798, 207596, 259495, 415192, 518990, 830384, 1037980, 1297475, 2075960, 2594950, 4151920, 5189900, 10379800, 20759600]

約数ペア:

[(1, 20759600), (2, 10379800), (4, 5189900), (5, 4151920), (8, 2594950), (10, 2075960), (16, 1297475), (20, 1037980), (25, 830384), (40, 518990), (50, 415192), (80, 259495), (100, 207596), (200, 103798), (400, 51899)]