20536984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 41736240

約数和(自身を除く): 21199256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1091, 1448, 2182, 2353, 4364, 4706, 8728, 9412, 14183, 18824, 28366, 56732, 113464, 197471, 394942, 789884, 1579768, 2567123, 5134246, 10268492, 20536984]

約数ペア:

[(1, 20536984), (2, 10268492), (4, 5134246), (8, 2567123), (13, 1579768), (26, 789884), (52, 394942), (104, 197471), (181, 113464), (362, 56732), (724, 28366), (1091, 18824), (1448, 14183), (2182, 9412), (2353, 8728), (4364, 4706)]