20526502912

素因数分解:

$2^{10}\times {\mathrm{83}}^1\times {\mathrm{241511}}^1$

素因数の和:241614

約数の個数: 44

約数和(自身を含む): 41527505376

約数和(自身を除く): 21001002464

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 512, 664, 1024, 1328, 2656, 5312, 10624, 21248, 42496, 84992, 241511, 483022, 966044, 1932088, 3864176, 7728352, 15456704, 20045413, 30913408, 40090826, 61826816, 80181652, 123653632, 160363304, 247307264, 320726608, 641453216, 1282906432, 2565812864, 5131625728, 10263251456, 20526502912]

約数ペア:

[(1, 20526502912), (2, 10263251456), (4, 5131625728), (8, 2565812864), (16, 1282906432), (32, 641453216), (64, 320726608), (83, 247307264), (128, 160363304), (166, 123653632), (256, 80181652), (332, 61826816), (512, 40090826), (664, 30913408), (1024, 20045413), (1328, 15456704), (2656, 7728352), (5312, 3864176), (10624, 1932088), (21248, 966044), (42496, 483022), (84992, 241511)]