20873311207

素因数分解:

$7^2\times {\mathrm{1097}}^1\times {\mathrm{388319}}^1$

素因数の和:389430

約数の個数: 12

約数和(自身を含む): 24303395520

約数和(自身を除く): 3430084313

約数列:

[1, 7, 49, 1097, 7679, 53753, 388319, 2718233, 19027631, 425985943, 2981901601, 20873311207]

約数ペア:

[(1, 20873311207), (7, 2981901601), (49, 425985943), (1097, 19027631), (7679, 2718233), (53753, 388319)]