20284250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 44299008

約数和(自身を除く): 24014758

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 125, 134, 173, 175, 250, 335, 346, 350, 469, 670, 865, 875, 938, 1211, 1675, 1730, 1750, 2345, 2422, 3350, 4325, 4690, 6055, 8375, 8650, 11591, 11725, 12110, 16750, 21625, 23182, 23450, 30275, 43250, 57955, 58625, 60550, 81137, 115910, 117250, 151375, 162274, 289775, 302750, 405685, 579550, 811370, 1448875, 2028425, 2897750, 4056850, 10142125, 20284250]

約数ペア:

[(1, 20284250), (2, 10142125), (5, 4056850), (7, 2897750), (10, 2028425), (14, 1448875), (25, 811370), (35, 579550), (50, 405685), (67, 302750), (70, 289775), (125, 162274), (134, 151375), (173, 117250), (175, 115910), (250, 81137), (335, 60550), (346, 58625), (350, 57955), (469, 43250), (670, 30275), (865, 23450), (875, 23182), (938, 21625), (1211, 16750), (1675, 12110), (1730, 11725), (1750, 11591), (2345, 8650), (2422, 8375), (3350, 6055), (4325, 4690)]