20813779454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{10007}}^1\times {\mathrm{79997}}^1$

素因数の和:90019

約数の個数: 16

約数和(自身を含む): 33626039328

約数和(自身を除く): 12812259874

約数列:

[1, 2, 13, 26, 10007, 20014, 79997, 130091, 159994, 260182, 1039961, 2079922, 800529979, 1601059958, 10406889727, 20813779454]

約数ペア:

[(1, 20813779454), (2, 10406889727), (13, 1601059958), (26, 800529979), (10007, 2079922), (20014, 1039961), (79997, 260182), (130091, 159994)]