20198993309

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5807}}^1$

素因数の和:5954

約数の個数: 48

約数和(自身を含む): 25027833600

約数和(自身を除く): 4828840291

約数列:

[1, 11, 17, 19, 89, 121, 187, 209, 323, 979, 1513, 1691, 2057, 2299, 3553, 5807, 10769, 16643, 18601, 28747, 39083, 63877, 98719, 110333, 183073, 204611, 316217, 516823, 702647, 1085909, 1213663, 1875661, 3478387, 5685053, 8785991, 9819637, 11944999, 13350293, 20632271, 62535583, 96645901, 108016007, 166933829, 226954981, 1063104911, 1188176077, 1836272119, 20198993309]

約数ペア:

[(1, 20198993309), (11, 1836272119), (17, 1188176077), (19, 1063104911), (89, 226954981), (121, 166933829), (187, 108016007), (209, 96645901), (323, 62535583), (979, 20632271), (1513, 13350293), (1691, 11944999), (2057, 9819637), (2299, 8785991), (3553, 5685053), (5807, 3478387), (10769, 1875661), (16643, 1213663), (18601, 1085909), (28747, 702647), (39083, 516823), (63877, 316217), (98719, 204611), (110333, 183073)]