20512157897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1237}}^1\times {\mathrm{215353}}^1$

素因数の和:216608

約数の個数: 16

約数和(自身を含む): 25594392192

約数和(自身を除く): 5082234295

約数列:

[1, 7, 11, 77, 1237, 8659, 13607, 95249, 215353, 1507471, 2368883, 16582181, 266391661, 1864741627, 2930308271, 20512157897]

約数ペア:

[(1, 20512157897), (7, 2930308271), (11, 1864741627), (77, 266391661), (1237, 16582181), (8659, 2368883), (13607, 1507471), (95249, 215353)]