20512671109

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{1571}}^1\times {\mathrm{6197}}^1$

素因数の和:7825

約数の個数: 24

約数和(自身を含む): 24436086048

約数和(自身を除く): 3923414939

約数列:

[1, 7, 43, 49, 301, 1571, 2107, 6197, 10997, 43379, 67553, 76979, 266471, 303653, 472871, 1865297, 3310097, 9735487, 13057079, 68148409, 418625941, 477038863, 2930381587, 20512671109]

約数ペア:

[(1, 20512671109), (7, 2930381587), (43, 477038863), (49, 418625941), (301, 68148409), (1571, 13057079), (2107, 9735487), (6197, 3310097), (10997, 1865297), (43379, 472871), (67553, 303653), (76979, 266471)]