20933001

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 13032567

約数列:

[1, 3, 9, 17, 41, 47, 51, 71, 123, 141, 153, 213, 369, 423, 639, 697, 799, 1207, 1927, 2091, 2397, 2911, 3337, 3621, 5781, 6273, 7191, 8733, 10011, 10863, 17343, 26199, 30033, 32759, 49487, 56729, 98277, 136817, 148461, 170187, 294831, 410451, 445383, 510561, 1231353, 2325889, 6977667, 20933001]

約数ペア:

[(1, 20933001), (3, 6977667), (9, 2325889), (17, 1231353), (41, 510561), (47, 445383), (51, 410451), (71, 294831), (123, 170187), (141, 148461), (153, 136817), (213, 98277), (369, 56729), (423, 49487), (639, 32759), (697, 30033), (799, 26199), (1207, 17343), (1927, 10863), (2091, 10011), (2397, 8733), (2911, 7191), (3337, 6273), (3621, 5781)]