20182069971

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{42257}}^1$

素因数の和:42318

約数の個数: 72

約数和(自身を含む): 36708679440

約数和(自身を除く): 16526609469

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 361, 399, 441, 513, 931, 1083, 1197, 1323, 2527, 2793, 3249, 3591, 7581, 8379, 9747, 17689, 22743, 25137, 42257, 53067, 68229, 126771, 159201, 295799, 380313, 477603, 802883, 887397, 1140939, 2070593, 2408649, 2662191, 5620181, 6211779, 7225947, 7986573, 15254777, 16860543, 18635337, 21677841, 39341267, 45764331, 50581629, 55906011, 106783439, 118023801, 137292993, 151744887, 320350317, 354071403, 411878979, 747484073, 961050951, 1062214209, 2242452219, 2883152853, 6727356657, 20182069971]

約数ペア:

[(1, 20182069971), (3, 6727356657), (7, 2883152853), (9, 2242452219), (19, 1062214209), (21, 961050951), (27, 747484073), (49, 411878979), (57, 354071403), (63, 320350317), (133, 151744887), (147, 137292993), (171, 118023801), (189, 106783439), (361, 55906011), (399, 50581629), (441, 45764331), (513, 39341267), (931, 21677841), (1083, 18635337), (1197, 16860543), (1323, 15254777), (2527, 7986573), (2793, 7225947), (3249, 6211779), (3591, 5620181), (7581, 2662191), (8379, 2408649), (9747, 2070593), (17689, 1140939), (22743, 887397), (25137, 802883), (42257, 477603), (53067, 380313), (68229, 295799), (126771, 159201)]