20161987102946

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1423}}^1\times {\mathrm{4339}}^1\times {\mathrm{9661}}^1$

素因数の和:15451

約数の個数: 48

約数和(自身を含む): 32782275550080

約数和(自身を除く): 12620288447134

約数列:

[1, 2, 13, 26, 169, 338, 1423, 2846, 4339, 8678, 9661, 18499, 19322, 36998, 56407, 112814, 125593, 240487, 251186, 480974, 733291, 1466582, 1632709, 3265418, 6174397, 12348794, 13747603, 27495206, 41919079, 80267161, 83838158, 160534322, 178718839, 357437678, 544948027, 1043473093, 1089896054, 2086946186, 2323344907, 4646689814, 7084324351, 14168648702, 59650849417, 119301698834, 775461042421, 1550922084842, 10080993551473, 20161987102946]

約数ペア:

[(1, 20161987102946), (2, 10080993551473), (13, 1550922084842), (26, 775461042421), (169, 119301698834), (338, 59650849417), (1423, 14168648702), (2846, 7084324351), (4339, 4646689814), (8678, 2323344907), (9661, 2086946186), (18499, 1089896054), (19322, 1043473093), (36998, 544948027), (56407, 357437678), (112814, 178718839), (125593, 160534322), (240487, 83838158), (251186, 80267161), (480974, 41919079), (733291, 27495206), (1466582, 13747603), (1632709, 12348794), (3265418, 6174397)]