20319250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 46096128

約数和(自身を除く): 25776878

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 238, 250, 350, 425, 595, 683, 850, 875, 1190, 1366, 1750, 2125, 2975, 3415, 4250, 4781, 5950, 6830, 9562, 11611, 14875, 17075, 23222, 23905, 29750, 34150, 47810, 58055, 81277, 85375, 116110, 119525, 162554, 170750, 239050, 290275, 406385, 580550, 597625, 812770, 1195250, 1451375, 2031925, 2902750, 4063850, 10159625, 20319250]

約数ペア:

[(1, 20319250), (2, 10159625), (5, 4063850), (7, 2902750), (10, 2031925), (14, 1451375), (17, 1195250), (25, 812770), (34, 597625), (35, 580550), (50, 406385), (70, 290275), (85, 239050), (119, 170750), (125, 162554), (170, 119525), (175, 116110), (238, 85375), (250, 81277), (350, 58055), (425, 47810), (595, 34150), (683, 29750), (850, 23905), (875, 23222), (1190, 17075), (1366, 14875), (1750, 11611), (2125, 9562), (2975, 6830), (3415, 5950), (4250, 4781)]