20403721761

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{5419}}^1\times {\mathrm{15887}}^1$

素因数の和:21388

約数の個数: 16

約数和(自身を含む): 27556147200

約数和(自身を除く): 7152425439

約数列:

[1, 3, 79, 237, 5419, 15887, 16257, 47661, 428101, 1255073, 1284303, 3765219, 86091653, 258274959, 6801240587, 20403721761]

約数ペア:

[(1, 20403721761), (3, 6801240587), (79, 258274959), (237, 86091653), (5419, 3765219), (15887, 1284303), (16257, 1255073), (47661, 428101)]