20971604

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{58909}}^1$

素因数の和:59002

約数の個数: 12

約数和(自身を含む): 37113300

約数和(自身を除く): 16141696

約数列:

[1, 2, 4, 89, 178, 356, 58909, 117818, 235636, 5242901, 10485802, 20971604]

約数ペア:

[(1, 20971604), (2, 10485802), (4, 5242901), (89, 235636), (178, 117818), (356, 58909)]