20032375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 28911168

約数和(自身を除く): 8878793

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 857, 935, 1375, 2125, 4285, 4675, 9427, 14569, 21425, 23375, 47135, 72845, 107125, 160259, 235675, 364225, 801295, 1178375, 1821125, 4006475, 20032375]

約数ペア:

[(1, 20032375), (5, 4006475), (11, 1821125), (17, 1178375), (25, 801295), (55, 364225), (85, 235675), (125, 160259), (187, 107125), (275, 72845), (425, 47135), (857, 23375), (935, 21425), (1375, 14569), (2125, 9427), (4285, 4675)]