20356325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 27914880

約数和(自身を除く): 7558555

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 869, 937, 1975, 4345, 4685, 10307, 21725, 23425, 51535, 74023, 257675, 370115, 814253, 1850575, 4071265, 20356325]

約数ペア:

[(1, 20356325), (5, 4071265), (11, 1850575), (25, 814253), (55, 370115), (79, 257675), (275, 74023), (395, 51535), (869, 23425), (937, 21725), (1975, 10307), (4345, 4685)]