20458565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1033}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 26131248

約数和(自身を除く): 5672683

約数列:

[1, 5, 17, 85, 233, 1033, 1165, 3961, 5165, 17561, 19805, 87805, 240689, 1203445, 4091713, 20458565]

約数ペア:

[(1, 20458565), (5, 4091713), (17, 1203445), (85, 240689), (233, 87805), (1033, 19805), (1165, 17561), (3961, 5165)]