20243175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15877}}^1$

素因数の和:15907

約数の個数: 24

約数和(自身を含む): 35439696

約数和(自身を除く): 15196521

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15877, 47631, 79385, 238155, 269909, 396925, 809727, 1190775, 1349545, 4048635, 6747725, 20243175]

約数ペア:

[(1, 20243175), (3, 6747725), (5, 4048635), (15, 1349545), (17, 1190775), (25, 809727), (51, 396925), (75, 269909), (85, 238155), (255, 79385), (425, 47631), (1275, 15877)]