20809150

素因数分解:

$2^1\times 5^2\times {\mathrm{587}}^1\times {\mathrm{709}}^1$

素因数の和:1308

約数の個数: 24

約数和(自身を含む): 38825640

約数和(自身を除く): 18016490

約数列:

[1, 2, 5, 10, 25, 50, 587, 709, 1174, 1418, 2935, 3545, 5870, 7090, 14675, 17725, 29350, 35450, 416183, 832366, 2080915, 4161830, 10404575, 20809150]

約数ペア:

[(1, 20809150), (2, 10404575), (5, 4161830), (10, 2080915), (25, 832366), (50, 416183), (587, 35450), (709, 29350), (1174, 17725), (1418, 14675), (2935, 7090), (3545, 5870)]