20025445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4091}}^1$

素因数の和:4196

約数の個数: 16

約数和(自身を含む): 26516160

約数和(自身を除く): 6490715

約数列:

[1, 5, 11, 55, 89, 445, 979, 4091, 4895, 20455, 45001, 225005, 364099, 1820495, 4005089, 20025445]

約数ペア:

[(1, 20025445), (5, 4005089), (11, 1820495), (55, 364099), (89, 225005), (445, 45001), (979, 20455), (4091, 4895)]