20307975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9337}}^1$

素因数の和:9379

約数の個数: 24

約数和(自身を含む): 34737360

約数和(自身を除く): 14429385

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9337, 28011, 46685, 140055, 233425, 270773, 700275, 812319, 1353865, 4061595, 6769325, 20307975]

約数ペア:

[(1, 20307975), (3, 6769325), (5, 4061595), (15, 1353865), (25, 812319), (29, 700275), (75, 270773), (87, 233425), (145, 140055), (435, 46685), (725, 28011), (2175, 9337)]