20931372007

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2277377}}^1$

素因数の和:2277498

約数の個数: 16

約数和(自身を含む): 26016766272

約数和(自身を除く): 5085394265

約数列:

[1, 7, 13, 91, 101, 707, 1313, 9191, 2277377, 15941639, 29605901, 207241307, 230015077, 1610105539, 2990196001, 20931372007]

約数ペア:

[(1, 20931372007), (7, 2990196001), (13, 1610105539), (91, 230015077), (101, 207241307), (707, 29605901), (1313, 15941639), (9191, 2277377)]