20263143

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1091}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 27885312

約数和(自身を除く): 7622169

約数列:

[1, 3, 41, 123, 151, 453, 1091, 3273, 6191, 18573, 44731, 134193, 164741, 494223, 6754381, 20263143]

約数ペア:

[(1, 20263143), (3, 6754381), (41, 494223), (123, 164741), (151, 134193), (453, 44731), (1091, 18573), (3273, 6191)]