20380147193

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2538317}}^1$

素因数の和:2538392

約数の個数: 16

約数和(自身を含む): 24692757504

約数和(自身を除く): 4312610311

約数列:

[1, 7, 31, 37, 217, 259, 1147, 8029, 2538317, 17768219, 78687827, 93917729, 550814789, 657424103, 2911449599, 20380147193]

約数ペア:

[(1, 20380147193), (7, 2911449599), (31, 657424103), (37, 550814789), (217, 93917729), (259, 78687827), (1147, 17768219), (8029, 2538317)]