20671592

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8941}}^1$

素因数の和:8981

約数の個数: 24

約数和(自身を含む): 41177910

約数和(自身を除く): 20506318

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8941, 17882, 35764, 71528, 151997, 303994, 607988, 1215976, 2583949, 5167898, 10335796, 20671592]

約数ペア:

[(1, 20671592), (2, 10335796), (4, 5167898), (8, 2583949), (17, 1215976), (34, 607988), (68, 303994), (136, 151997), (289, 71528), (578, 35764), (1156, 17882), (2312, 8941)]