20665092

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 58051840

約数和(自身を除く): 37386748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 61, 74, 84, 109, 111, 122, 148, 183, 218, 222, 244, 259, 327, 366, 427, 436, 444, 518, 654, 732, 763, 777, 854, 1036, 1281, 1308, 1526, 1554, 1708, 2257, 2289, 2562, 3052, 3108, 4033, 4514, 4578, 5124, 6649, 6771, 8066, 9028, 9156, 12099, 13298, 13542, 15799, 16132, 19947, 24198, 26596, 27084, 28231, 31598, 39894, 46543, 47397, 48396, 56462, 63196, 79788, 84693, 93086, 94794, 112924, 139629, 169386, 186172, 189588, 246013, 279258, 338772, 492026, 558516, 738039, 984052, 1476078, 1722091, 2952156, 3444182, 5166273, 6888364, 10332546, 20665092]

約数ペア:

[(1, 20665092), (2, 10332546), (3, 6888364), (4, 5166273), (6, 3444182), (7, 2952156), (12, 1722091), (14, 1476078), (21, 984052), (28, 738039), (37, 558516), (42, 492026), (61, 338772), (74, 279258), (84, 246013), (109, 189588), (111, 186172), (122, 169386), (148, 139629), (183, 112924), (218, 94794), (222, 93086), (244, 84693), (259, 79788), (327, 63196), (366, 56462), (427, 48396), (436, 47397), (444, 46543), (518, 39894), (654, 31598), (732, 28231), (763, 27084), (777, 26596), (854, 24198), (1036, 19947), (1281, 16132), (1308, 15799), (1526, 13542), (1554, 13298), (1708, 12099), (2257, 9156), (2289, 9028), (2562, 8066), (3052, 6771), (3108, 6649), (4033, 5124), (4514, 4578)]