20137842571

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{359}}^1\times {\mathrm{9461}}^1$

素因数の和:9856

約数の個数: 36

約数和(自身を含む): 25823311920

約数和(自身を除く): 5685469349

約数列:

[1, 7, 11, 49, 77, 121, 359, 539, 847, 2513, 3949, 5929, 9461, 17591, 27643, 43439, 66227, 104071, 193501, 304073, 463589, 728497, 1144781, 2128511, 3396499, 5099479, 8013467, 23775493, 37361489, 56094269, 166428451, 261530423, 410976379, 1830712961, 2876834653, 20137842571]

約数ペア:

[(1, 20137842571), (7, 2876834653), (11, 1830712961), (49, 410976379), (77, 261530423), (121, 166428451), (359, 56094269), (539, 37361489), (847, 23775493), (2513, 8013467), (3949, 5099479), (5929, 3396499), (9461, 2128511), (17591, 1144781), (27643, 728497), (43439, 463589), (66227, 304073), (104071, 193501)]