20049918

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 47672064

約数和(自身を除く): 27622146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1451, 1974, 2303, 2902, 4353, 4606, 6909, 8706, 10157, 13818, 20314, 30471, 60942, 68197, 71099, 136394, 142198, 204591, 213297, 409182, 426594, 477379, 954758, 1432137, 2864274, 3341653, 6683306, 10024959, 20049918]

約数ペア:

[(1, 20049918), (2, 10024959), (3, 6683306), (6, 3341653), (7, 2864274), (14, 1432137), (21, 954758), (42, 477379), (47, 426594), (49, 409182), (94, 213297), (98, 204591), (141, 142198), (147, 136394), (282, 71099), (294, 68197), (329, 60942), (658, 30471), (987, 20314), (1451, 13818), (1974, 10157), (2303, 8706), (2902, 6909), (4353, 4606)]