20269797

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7499}}^1$

素因数の和:7572

約数の個数: 16

約数和(自身を含む): 29160000

約数和(自身を除く): 8890203

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7499, 22497, 127483, 382449, 397447, 1192341, 6756599, 20269797]

約数ペア:

[(1, 20269797), (3, 6756599), (17, 1192341), (51, 397447), (53, 382449), (159, 127483), (901, 22497), (2703, 7499)]