20172652857

素因数分解:

$3^4\times 7^3\times {\mathrm{67}}^1\times {\mathrm{10837}}^1$

素因数の和:10937

約数の個数: 80

約数和(自身を含む): 35670025600

約数和(自身を除く): 15497372743

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 81, 147, 189, 201, 343, 441, 469, 567, 603, 1029, 1323, 1407, 1809, 3087, 3283, 3969, 4221, 5427, 9261, 9849, 10837, 12663, 22981, 27783, 29547, 32511, 37989, 68943, 75859, 88641, 97533, 206829, 227577, 265923, 292599, 531013, 620487, 682731, 726079, 877797, 1593039, 1861461, 2048193, 2178237, 3717091, 4779117, 5082553, 6144579, 6534711, 11151273, 14337351, 15247659, 19604133, 33453819, 35577871, 43012053, 45742977, 58812399, 100361457, 106733613, 137228931, 249045097, 301084371, 320200839, 411686793, 747135291, 960602517, 2241405873, 2881807551, 6724217619, 20172652857]

約数ペア:

[(1, 20172652857), (3, 6724217619), (7, 2881807551), (9, 2241405873), (21, 960602517), (27, 747135291), (49, 411686793), (63, 320200839), (67, 301084371), (81, 249045097), (147, 137228931), (189, 106733613), (201, 100361457), (343, 58812399), (441, 45742977), (469, 43012053), (567, 35577871), (603, 33453819), (1029, 19604133), (1323, 15247659), (1407, 14337351), (1809, 11151273), (3087, 6534711), (3283, 6144579), (3969, 5082553), (4221, 4779117), (5427, 3717091), (9261, 2178237), (9849, 2048193), (10837, 1861461), (12663, 1593039), (22981, 877797), (27783, 726079), (29547, 682731), (32511, 620487), (37989, 531013), (68943, 292599), (75859, 265923), (88641, 227577), (97533, 206829)]