20236375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 27293760

約数和(自身を除く): 7057385

約数列:

[1, 5, 17, 25, 85, 89, 107, 125, 425, 445, 535, 1513, 1819, 2125, 2225, 2675, 7565, 9095, 9523, 11125, 13375, 37825, 45475, 47615, 161891, 189125, 227375, 238075, 809455, 1190375, 4047275, 20236375]

約数ペア:

[(1, 20236375), (5, 4047275), (17, 1190375), (25, 809455), (85, 238075), (89, 227375), (107, 189125), (125, 161891), (425, 47615), (445, 45475), (535, 37825), (1513, 13375), (1819, 11125), (2125, 9523), (2225, 9095), (2675, 7565)]