20560957065

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8641}}^1$

素因数の和:8716

約数の個数: 144

約数和(自身を含む): 43033011840

約数和(自身を除く): 22472054775

約数列:

[1, 3, 5, 9, 11, 15, 19, 23, 33, 45, 55, 57, 69, 95, 99, 115, 121, 165, 171, 207, 209, 253, 285, 345, 363, 437, 495, 605, 627, 759, 855, 1035, 1045, 1089, 1265, 1311, 1815, 1881, 2185, 2277, 2299, 2783, 3135, 3795, 3933, 4807, 5445, 6555, 6897, 8349, 8641, 9405, 11385, 11495, 13915, 14421, 19665, 20691, 24035, 25047, 25923, 34485, 41745, 43205, 43263, 52877, 72105, 77769, 95051, 103455, 125235, 129615, 158631, 164179, 198743, 216315, 264385, 285153, 388845, 475255, 475893, 492537, 596229, 793155, 820895, 855459, 993715, 1045561, 1425765, 1477611, 1788687, 1805969, 2186173, 2379465, 2462685, 2981145, 3136683, 3776117, 4277295, 5227805, 5417907, 6558519, 7388055, 8943435, 9029845, 9410049, 10930865, 11328351, 15683415, 16253721, 18880585, 19675557, 19865659, 24047903, 27089535, 32792595, 33985053, 41537287, 47050245, 56641755, 59596977, 72143709, 81268605, 98377785, 99328295, 120239515, 124611861, 169925265, 178790931, 207686435, 216431127, 297984885, 360718545, 373835583, 456910157, 623059305, 893954655, 1082155635, 1370730471, 1869177915, 2284550785, 4112191413, 6853652355, 20560957065]

約数ペア:

[(1, 20560957065), (3, 6853652355), (5, 4112191413), (9, 2284550785), (11, 1869177915), (15, 1370730471), (19, 1082155635), (23, 893954655), (33, 623059305), (45, 456910157), (55, 373835583), (57, 360718545), (69, 297984885), (95, 216431127), (99, 207686435), (115, 178790931), (121, 169925265), (165, 124611861), (171, 120239515), (207, 99328295), (209, 98377785), (253, 81268605), (285, 72143709), (345, 59596977), (363, 56641755), (437, 47050245), (495, 41537287), (605, 33985053), (627, 32792595), (759, 27089535), (855, 24047903), (1035, 19865659), (1045, 19675557), (1089, 18880585), (1265, 16253721), (1311, 15683415), (1815, 11328351), (1881, 10930865), (2185, 9410049), (2277, 9029845), (2299, 8943435), (2783, 7388055), (3135, 6558519), (3795, 5417907), (3933, 5227805), (4807, 4277295), (5445, 3776117), (6555, 3136683), (6897, 2981145), (8349, 2462685), (8641, 2379465), (9405, 2186173), (11385, 1805969), (11495, 1788687), (13915, 1477611), (14421, 1425765), (19665, 1045561), (20691, 993715), (24035, 855459), (25047, 820895), (25923, 793155), (34485, 596229), (41745, 492537), (43205, 475893), (43263, 475255), (52877, 388845), (72105, 285153), (77769, 264385), (95051, 216315), (103455, 198743), (125235, 164179), (129615, 158631)]