20963657

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4729}}^1$

素因数の和:4784

約数の個数: 16

約数和(自身を含む): 25428480

約数和(自身を除く): 4464823

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4729, 52019, 61477, 146599, 676247, 1612589, 1905787, 20963657]

約数ペア:

[(1, 20963657), (11, 1905787), (13, 1612589), (31, 676247), (143, 146599), (341, 61477), (403, 52019), (4433, 4729)]