20723021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 23208768

約数和(自身を除く): 2485747

約数列:

[1, 11, 73, 131, 197, 803, 1441, 2167, 9563, 14381, 25807, 105193, 158191, 283877, 1883911, 20723021]

約数ペア:

[(1, 20723021), (11, 1883911), (73, 283877), (131, 158191), (197, 105193), (803, 25807), (1441, 14381), (2167, 9563)]