20509753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 23139072

約数和(自身を除く): 2629319

約数列:

[1, 11, 43, 131, 331, 473, 1441, 3641, 5633, 14233, 43361, 61963, 156563, 476971, 1864523, 20509753]

約数ペア:

[(1, 20509753), (11, 1864523), (43, 476971), (131, 156563), (331, 61963), (473, 43361), (1441, 14233), (3641, 5633)]