20725089

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 35174400

約数和(自身を除く): 14449311

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 1831, 3773, 5493, 11319, 12817, 20141, 38451, 60423, 89719, 140987, 269157, 422961, 628033, 986909, 1884099, 2960727, 6908363, 20725089]

約数ペア:

[(1, 20725089), (3, 6908363), (7, 2960727), (11, 1884099), (21, 986909), (33, 628033), (49, 422961), (77, 269157), (147, 140987), (231, 89719), (343, 60423), (539, 38451), (1029, 20141), (1617, 12817), (1831, 11319), (3773, 5493)]