20218797

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1283}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 31247424

約数和(自身を除く): 11028627

約数列:

[1, 3, 9, 17, 51, 103, 153, 309, 927, 1283, 1751, 3849, 5253, 11547, 15759, 21811, 65433, 132149, 196299, 396447, 1189341, 2246533, 6739599, 20218797]

約数ペア:

[(1, 20218797), (3, 6739599), (9, 2246533), (17, 1189341), (51, 396447), (103, 196299), (153, 132149), (309, 65433), (927, 21811), (1283, 15759), (1751, 11547), (3849, 5253)]