20803952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100019}}^1$

素因数の和:100040

約数の個数: 20

約数和(自身を含む): 43408680

約数和(自身を除く): 22604728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100019, 200038, 400076, 800152, 1300247, 1600304, 2600494, 5200988, 10401976, 20803952]

約数ペア:

[(1, 20803952), (2, 10401976), (4, 5200988), (8, 2600494), (13, 1600304), (16, 1300247), (26, 800152), (52, 400076), (104, 200038), (208, 100019)]