20671184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75997}}^1$

素因数の和:76022

約数の個数: 20

約数和(自身を含む): 42406884

約数和(自身を除く): 21735700

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75997, 151994, 303988, 607976, 1215952, 1291949, 2583898, 5167796, 10335592, 20671184]

約数ペア:

[(1, 20671184), (2, 10335592), (4, 5167796), (8, 2583898), (16, 1291949), (17, 1215952), (34, 607976), (68, 303988), (136, 151994), (272, 75997)]