20195900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4297}}^1$

素因数の和:4358

約数の個数: 36

約数和(自身を含む): 44767968

約数和(自身を除く): 24572068

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4297, 4700, 8594, 17188, 21485, 42970, 85940, 107425, 201959, 214850, 403918, 429700, 807836, 1009795, 2019590, 4039180, 5048975, 10097950, 20195900]

約数ペア:

[(1, 20195900), (2, 10097950), (4, 5048975), (5, 4039180), (10, 2019590), (20, 1009795), (25, 807836), (47, 429700), (50, 403918), (94, 214850), (100, 201959), (188, 107425), (235, 85940), (470, 42970), (940, 21485), (1175, 17188), (2350, 8594), (4297, 4700)]