20201005154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 34333632000

約数和(自身を除く): 14132626846

約数列:

[1, 2, 11, 22, 73, 79, 89, 146, 158, 178, 803, 869, 979, 1606, 1738, 1789, 1958, 3578, 5767, 6497, 7031, 11534, 12994, 14062, 19679, 39358, 63437, 71467, 77341, 126874, 130597, 141331, 142934, 154682, 159221, 261194, 282662, 318442, 513263, 1026526, 1436567, 1554641, 1751431, 2873134, 3109282, 3502862, 5645893, 10317163, 11291786, 11623133, 12578459, 20634326, 23246266, 25156918, 113488793, 127854463, 138363049, 226977586, 255708926, 276726098, 918227507, 1836455014, 10100502577, 20201005154]

約数ペア:

[(1, 20201005154), (2, 10100502577), (11, 1836455014), (22, 918227507), (73, 276726098), (79, 255708926), (89, 226977586), (146, 138363049), (158, 127854463), (178, 113488793), (803, 25156918), (869, 23246266), (979, 20634326), (1606, 12578459), (1738, 11623133), (1789, 11291786), (1958, 10317163), (3578, 5645893), (5767, 3502862), (6497, 3109282), (7031, 2873134), (11534, 1751431), (12994, 1554641), (14062, 1436567), (19679, 1026526), (39358, 513263), (63437, 318442), (71467, 282662), (77341, 261194), (126874, 159221), (130597, 154682), (141331, 142934)]