20544279

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8221}}^1$

素因数の和:8255

約数の個数: 24

約数和(自身を含む): 33743088

約数和(自身を除く): 13198809

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8221, 24663, 57547, 139757, 172641, 402829, 419271, 978299, 1208487, 2934897, 6848093, 20544279]

約数ペア:

[(1, 20544279), (3, 6848093), (7, 2934897), (17, 1208487), (21, 978299), (49, 419271), (51, 402829), (119, 172641), (147, 139757), (357, 57547), (833, 24663), (2499, 8221)]