20161392993

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1\times {\mathrm{2837}}^1$

素因数の和:4851

約数の個数: 64

約数和(自身を含む): 35963136000

約数和(自身を除く): 15801743007

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 1979, 2837, 3591, 5937, 8511, 13853, 17811, 19859, 25533, 37601, 41559, 53433, 53903, 59577, 76599, 112803, 124677, 161709, 178731, 263207, 338409, 374031, 377321, 485127, 536193, 789621, 1015227, 1131963, 1455381, 2368863, 3395889, 5614423, 7106589, 10187667, 16843269, 39300961, 50529807, 106674037, 117902883, 151589421, 320022111, 353708649, 746718259, 960066333, 1061125947, 2240154777, 2880198999, 6720464331, 20161392993]

約数ペア:

[(1, 20161392993), (3, 6720464331), (7, 2880198999), (9, 2240154777), (19, 1061125947), (21, 960066333), (27, 746718259), (57, 353708649), (63, 320022111), (133, 151589421), (171, 117902883), (189, 106674037), (399, 50529807), (513, 39300961), (1197, 16843269), (1979, 10187667), (2837, 7106589), (3591, 5614423), (5937, 3395889), (8511, 2368863), (13853, 1455381), (17811, 1131963), (19859, 1015227), (25533, 789621), (37601, 536193), (41559, 485127), (53433, 377321), (53903, 374031), (59577, 338409), (76599, 263207), (112803, 178731), (124677, 161709)]