20307550

素因数分解:

$2^1\times 5^2\times {\mathrm{179}}^1\times {\mathrm{2269}}^1$

素因数の和:2460

約数の個数: 24

約数和(自身を含む): 37999800

約数和(自身を除く): 17692250

約数列:

[1, 2, 5, 10, 25, 50, 179, 358, 895, 1790, 2269, 4475, 4538, 8950, 11345, 22690, 56725, 113450, 406151, 812302, 2030755, 4061510, 10153775, 20307550]

約数ペア:

[(1, 20307550), (2, 10153775), (5, 4061510), (10, 2030755), (25, 812302), (50, 406151), (179, 113450), (358, 56725), (895, 22690), (1790, 11345), (2269, 8950), (4475, 4538)]