20139100900

素因数分解:

$2^2\times 5^2\times {\mathrm{997}}^1\times {\mathrm{201997}}^1$

素因数の和:203008

約数の個数: 36

約数和(自身を含む): 43745898868

約数和(自身を除く): 23606797968

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 997, 1994, 3988, 4985, 9970, 19940, 24925, 49850, 99700, 201997, 403994, 807988, 1009985, 2019970, 4039940, 5049925, 10099850, 20199700, 201391009, 402782018, 805564036, 1006955045, 2013910090, 4027820180, 5034775225, 10069550450, 20139100900]

約数ペア:

[(1, 20139100900), (2, 10069550450), (4, 5034775225), (5, 4027820180), (10, 2013910090), (20, 1006955045), (25, 805564036), (50, 402782018), (100, 201391009), (997, 20199700), (1994, 10099850), (3988, 5049925), (4985, 4039940), (9970, 2019970), (19940, 1009985), (24925, 807988), (49850, 403994), (99700, 201997)]