20201021579

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1\times {\mathrm{997}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 22492365120

約数和(自身を除く): 2291343541

約数列:

[1, 17, 29, 73, 493, 563, 997, 1241, 2117, 9571, 16327, 16949, 28913, 35989, 41099, 72781, 277559, 491521, 561311, 698683, 1191871, 1237277, 2110649, 9542287, 16278019, 20261807, 35881033, 40975703, 276726323, 696586951, 1188295387, 20201021579]

約数ペア:

[(1, 20201021579), (17, 1188295387), (29, 696586951), (73, 276726323), (493, 40975703), (563, 35881033), (997, 20261807), (1241, 16278019), (2117, 9542287), (9571, 2110649), (16327, 1237277), (16949, 1191871), (28913, 698683), (35989, 561311), (41099, 491521), (72781, 277559)]