20393367358

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1\times {\mathrm{3109}}^1$

素因数の和:4721

約数の個数: 64

約数和(自身を含む): 39323934720

約数和(自身を除く): 18930567362

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 1567, 2093, 3109, 3134, 4186, 6218, 10969, 20371, 21763, 21938, 36041, 40417, 40742, 43526, 71507, 72082, 80834, 142597, 143014, 252287, 282919, 285194, 468533, 500549, 504574, 565838, 929591, 937066, 1001098, 1859182, 3279731, 4871803, 6507137, 6559462, 9743606, 13014274, 34102621, 63333439, 68205242, 112051469, 126666878, 224102938, 443334073, 784360283, 886668146, 1456669097, 1568720566, 2913338194, 10196683679, 20393367358]

約数ペア:

[(1, 20393367358), (2, 10196683679), (7, 2913338194), (13, 1568720566), (14, 1456669097), (23, 886668146), (26, 784360283), (46, 443334073), (91, 224102938), (161, 126666878), (182, 112051469), (299, 68205242), (322, 63333439), (598, 34102621), (1567, 13014274), (2093, 9743606), (3109, 6559462), (3134, 6507137), (4186, 4871803), (6218, 3279731), (10969, 1859182), (20371, 1001098), (21763, 937066), (21938, 929591), (36041, 565838), (40417, 504574), (40742, 500549), (43526, 468533), (71507, 285194), (72082, 282919), (80834, 252287), (142597, 143014)]