204702919180

素因数分解:

$2^2\times 5^1\times {\mathrm{19751}}^1\times {\mathrm{518209}}^1$

素因数の和:537969

約数の個数: 24

約数和(自身を含む): 429898724640

約数和(自身を除く): 225195805460

約数列:

[1, 2, 4, 5, 10, 20, 19751, 39502, 79004, 98755, 197510, 395020, 518209, 1036418, 2072836, 2591045, 5182090, 10364180, 10235145959, 20470291918, 40940583836, 51175729795, 102351459590, 204702919180]

約数ペア:

[(1, 204702919180), (2, 102351459590), (4, 51175729795), (5, 40940583836), (10, 20470291918), (20, 10235145959), (19751, 10364180), (39502, 5182090), (79004, 2591045), (98755, 2072836), (197510, 1036418), (395020, 518209)]