20779370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 39225600

約数和(自身を除く): 18446230

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 907, 1814, 2291, 4535, 4582, 9070, 11455, 22910, 26303, 52606, 71653, 131515, 143306, 263030, 358265, 716530, 2077937, 4155874, 10389685, 20779370]

約数ペア:

[(1, 20779370), (2, 10389685), (5, 4155874), (10, 2077937), (29, 716530), (58, 358265), (79, 263030), (145, 143306), (158, 131515), (290, 71653), (395, 52606), (790, 26303), (907, 22910), (1814, 11455), (2291, 9070), (4535, 4582)]