20793215716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{449797}}^1$

素因数の和:449948

約数の個数: 48

約数和(自身を含む): 45138128896

約数和(自身を除く): 24344913180

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 182, 254, 364, 508, 889, 1651, 1778, 3302, 3556, 6604, 11557, 23114, 46228, 449797, 899594, 1799188, 3148579, 5847361, 6297158, 11694722, 12594316, 23389444, 40931527, 57124219, 81863054, 114248438, 163726108, 228496876, 399869533, 742614847, 799739066, 1485229694, 1599478132, 2970459388, 5198303929, 10396607858, 20793215716]

約数ペア:

[(1, 20793215716), (2, 10396607858), (4, 5198303929), (7, 2970459388), (13, 1599478132), (14, 1485229694), (26, 799739066), (28, 742614847), (52, 399869533), (91, 228496876), (127, 163726108), (182, 114248438), (254, 81863054), (364, 57124219), (508, 40931527), (889, 23389444), (1651, 12594316), (1778, 11694722), (3302, 6297158), (3556, 5847361), (6604, 3148579), (11557, 1799188), (23114, 899594), (46228, 449797)]