20091505912

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{3623}}^1\times {\mathrm{4987}}^1$

素因数の和:8755

約数の個数: 32

約数和(自身を含む): 37960675200

約数和(自身を除く): 17869169288

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 3623, 4987, 7246, 9974, 14492, 19948, 28984, 39896, 503597, 693193, 1007194, 1386386, 2014388, 2772772, 4028776, 5545544, 18067901, 36135802, 72271604, 144543208, 2511438239, 5022876478, 10045752956, 20091505912]

約数ペア:

[(1, 20091505912), (2, 10045752956), (4, 5022876478), (8, 2511438239), (139, 144543208), (278, 72271604), (556, 36135802), (1112, 18067901), (3623, 5545544), (4987, 4028776), (7246, 2772772), (9974, 2014388), (14492, 1386386), (19948, 1007194), (28984, 693193), (39896, 503597)]