20958081

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 28693056

約数和(自身を除く): 7734975

約数列:

[1, 3, 73, 83, 219, 249, 1153, 3459, 6059, 18177, 84169, 95699, 252507, 287097, 6986027, 20958081]

約数ペア:

[(1, 20958081), (3, 6986027), (73, 287097), (83, 252507), (219, 95699), (249, 84169), (1153, 18177), (3459, 6059)]