20171506672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{7621}}^1$

素因数の和:7946

約数の個数: 80

約数和(自身を含む): 42666858432

約数和(自身を除く): 22495351760

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 263, 272, 296, 526, 592, 629, 1052, 1258, 2104, 2516, 4208, 4471, 5032, 7621, 8942, 9731, 10064, 15242, 17884, 19462, 30484, 35768, 38924, 60968, 71536, 77848, 121936, 129557, 155696, 165427, 259114, 281977, 330854, 518228, 563954, 661708, 1036456, 1127908, 1323416, 2004323, 2072912, 2255816, 2646832, 4008646, 4511632, 4793609, 8017292, 9587218, 16034584, 19174436, 32069168, 34073491, 38348872, 68146982, 74159951, 76697744, 136293964, 148319902, 272587928, 296639804, 545175856, 593279608, 1186559216, 1260719167, 2521438334, 5042876668, 10085753336, 20171506672]

約数ペア:

[(1, 20171506672), (2, 10085753336), (4, 5042876668), (8, 2521438334), (16, 1260719167), (17, 1186559216), (34, 593279608), (37, 545175856), (68, 296639804), (74, 272587928), (136, 148319902), (148, 136293964), (263, 76697744), (272, 74159951), (296, 68146982), (526, 38348872), (592, 34073491), (629, 32069168), (1052, 19174436), (1258, 16034584), (2104, 9587218), (2516, 8017292), (4208, 4793609), (4471, 4511632), (5032, 4008646), (7621, 2646832), (8942, 2255816), (9731, 2072912), (10064, 2004323), (15242, 1323416), (17884, 1127908), (19462, 1036456), (30484, 661708), (35768, 563954), (38924, 518228), (60968, 330854), (71536, 281977), (77848, 259114), (121936, 165427), (129557, 155696)]