20075825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10429}}^1$

素因数の和:10457

約数の個数: 24

約数和(自身を含む): 31039680

約数和(自身を除く): 10963855

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 10429, 52145, 73003, 114719, 260725, 365015, 573595, 803033, 1825075, 2867975, 4015165, 20075825]

約数ペア:

[(1, 20075825), (5, 4015165), (7, 2867975), (11, 1825075), (25, 803033), (35, 573595), (55, 365015), (77, 260725), (175, 114719), (275, 73003), (385, 52145), (1925, 10429)]