20199442675

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{64997}}^1$

素因数の和:65439

約数の個数: 24

約数和(自身を含む): 25920162432

約数和(自身を除く): 5720719757

約数列:

[1, 5, 25, 31, 155, 401, 775, 2005, 10025, 12431, 62155, 64997, 310775, 324985, 1624925, 2014907, 10074535, 26063797, 50372675, 130318985, 651594925, 807977707, 4039888535, 20199442675]

約数ペア:

[(1, 20199442675), (5, 4039888535), (25, 807977707), (31, 651594925), (155, 130318985), (401, 50372675), (775, 26063797), (2005, 10074535), (10025, 2014907), (12431, 1624925), (62155, 324985), (64997, 310775)]