20888913789

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{1259}}^1\times {\mathrm{80153}}^1$

素因数の和:81441

約数の個数: 24

約数和(自身を含む): 31510140480

約数和(自身を除く): 10621226691

約数列:

[1, 3, 9, 23, 69, 207, 1259, 3777, 11331, 28957, 80153, 86871, 240459, 260613, 721377, 1843519, 5530557, 16591671, 100912627, 302737881, 908213643, 2320990421, 6962971263, 20888913789]

約数ペア:

[(1, 20888913789), (3, 6962971263), (9, 2320990421), (23, 908213643), (69, 302737881), (207, 100912627), (1259, 16591671), (3777, 5530557), (11331, 1843519), (28957, 721377), (80153, 260613), (86871, 240459)]