20129883963

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50450837}}^1$

素因数の和:50450866

約数の個数: 16

約数和(自身を含む): 32288536320

約数和(自身を除く): 12158652357

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50450837, 151352511, 353155859, 958565903, 1059467577, 2875697709, 6709961321, 20129883963]

約数ペア:

[(1, 20129883963), (3, 6709961321), (7, 2875697709), (19, 1059467577), (21, 958565903), (57, 353155859), (133, 151352511), (399, 50450837)]