20592400

素因数分解:

$2^4\times 5^2\times {\mathrm{51481}}^1$

素因数の和:51499

約数の個数: 30

約数和(自身を含む): 49474202

約数和(自身を除く): 28881802

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51481, 102962, 205924, 257405, 411848, 514810, 823696, 1029620, 1287025, 2059240, 2574050, 4118480, 5148100, 10296200, 20592400]

約数ペア:

[(1, 20592400), (2, 10296200), (4, 5148100), (5, 4118480), (8, 2574050), (10, 2059240), (16, 1287025), (20, 1029620), (25, 823696), (40, 514810), (50, 411848), (80, 257405), (100, 205924), (200, 102962), (400, 51481)]