20239500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 59963904

約数和(自身を除く): 39724404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 125, 131, 150, 206, 250, 262, 300, 309, 375, 393, 412, 500, 515, 524, 618, 655, 750, 786, 1030, 1236, 1310, 1500, 1545, 1572, 1965, 2060, 2575, 2620, 3090, 3275, 3930, 5150, 6180, 6550, 7725, 7860, 9825, 10300, 12875, 13100, 13493, 15450, 16375, 19650, 25750, 26986, 30900, 32750, 38625, 39300, 40479, 49125, 51500, 53972, 65500, 67465, 77250, 80958, 98250, 134930, 154500, 161916, 196500, 202395, 269860, 337325, 404790, 674650, 809580, 1011975, 1349300, 1686625, 2023950, 3373250, 4047900, 5059875, 6746500, 10119750, 20239500]

約数ペア:

[(1, 20239500), (2, 10119750), (3, 6746500), (4, 5059875), (5, 4047900), (6, 3373250), (10, 2023950), (12, 1686625), (15, 1349300), (20, 1011975), (25, 809580), (30, 674650), (50, 404790), (60, 337325), (75, 269860), (100, 202395), (103, 196500), (125, 161916), (131, 154500), (150, 134930), (206, 98250), (250, 80958), (262, 77250), (300, 67465), (309, 65500), (375, 53972), (393, 51500), (412, 49125), (500, 40479), (515, 39300), (524, 38625), (618, 32750), (655, 30900), (750, 26986), (786, 25750), (1030, 19650), (1236, 16375), (1310, 15450), (1500, 13493), (1545, 13100), (1572, 12875), (1965, 10300), (2060, 9825), (2575, 7860), (2620, 7725), (3090, 6550), (3275, 6180), (3930, 5150)]