20187172053

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{935761}}^1$

素因数の和:935834

約数の個数: 32

約数和(自身を含む): 32339934720

約数和(自身を除く): 12152762667

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 1269, 2397, 7191, 21573, 935761, 2807283, 8421849, 15907937, 25265547, 43980767, 47723811, 131942301, 143171433, 395826903, 429514299, 747673039, 1187480709, 2243019117, 6729057351, 20187172053]

約数ペア:

[(1, 20187172053), (3, 6729057351), (9, 2243019117), (17, 1187480709), (27, 747673039), (47, 429514299), (51, 395826903), (141, 143171433), (153, 131942301), (423, 47723811), (459, 43980767), (799, 25265547), (1269, 15907937), (2397, 8421849), (7191, 2807283), (21573, 935761)]