20163718071

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2091889}}^1$

素因数の和:2091925

約数の個数: 40

約数和(自身を含む): 36449091360

約数和(自身を除く): 16285373289

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9639, 2091889, 6275667, 14643223, 18827001, 35562113, 43929669, 56481003, 106686339, 131789007, 169443009, 248934791, 320059017, 395367021, 746804373, 960177051, 1186101063, 2240413119, 2880531153, 6721239357, 20163718071]

約数ペア:

[(1, 20163718071), (3, 6721239357), (7, 2880531153), (9, 2240413119), (17, 1186101063), (21, 960177051), (27, 746804373), (51, 395367021), (63, 320059017), (81, 248934791), (119, 169443009), (153, 131789007), (189, 106686339), (357, 56481003), (459, 43929669), (567, 35562113), (1071, 18827001), (1377, 14643223), (3213, 6275667), (9639, 2091889)]