20100565904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{540803}}^1$

素因数の和:540935

約数の個数: 40

約数和(自身を含む): 41040533952

約数和(自身を除く): 20939968048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 808, 1616, 2323, 4646, 9292, 18584, 37168, 540803, 1081606, 2163212, 4326424, 8652848, 12438469, 24876938, 49753876, 54621103, 99507752, 109242206, 199015504, 218484412, 436968824, 873937648, 1256285369, 2512570738, 5025141476, 10050282952, 20100565904]

約数ペア:

[(1, 20100565904), (2, 10050282952), (4, 5025141476), (8, 2512570738), (16, 1256285369), (23, 873937648), (46, 436968824), (92, 218484412), (101, 199015504), (184, 109242206), (202, 99507752), (368, 54621103), (404, 49753876), (808, 24876938), (1616, 12438469), (2323, 8652848), (4646, 4326424), (9292, 2163212), (18584, 1081606), (37168, 540803)]