20954813

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 2753347

約数列:

[1, 11, 41, 97, 451, 479, 1067, 3977, 5269, 19639, 43747, 46463, 216029, 511093, 1904983, 20954813]

約数ペア:

[(1, 20954813), (11, 1904983), (41, 511093), (97, 216029), (451, 46463), (479, 43747), (1067, 19639), (3977, 5269)]