20165443389

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1117}}^1$

素因数の和:1264

約数の個数: 144

約数和(自身を含む): 37856302848

約数和(自身を除く): 17690859459

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 49, 63, 67, 91, 117, 141, 147, 201, 273, 329, 423, 441, 469, 603, 611, 637, 819, 871, 987, 1117, 1407, 1833, 1911, 2303, 2613, 2961, 3149, 3283, 3351, 4221, 4277, 5499, 5733, 6097, 6909, 7819, 7839, 9447, 9849, 10053, 12831, 14521, 18291, 20727, 22043, 23457, 28341, 29547, 29939, 38493, 40937, 42679, 43563, 52499, 54733, 54873, 66129, 70371, 74839, 89817, 101647, 122811, 128037, 130689, 154301, 157497, 164199, 198387, 224517, 269451, 286559, 304941, 367493, 368433, 384111, 462903, 472491, 492597, 523873, 673551, 682487, 711529, 859677, 914823, 972907, 1102479, 1388709, 1571619, 2005913, 2047461, 2134587, 2572451, 2579031, 2918721, 3307437, 3517433, 3667111, 4714857, 4777409, 6017739, 6142383, 6403761, 6810349, 7717353, 8756163, 10552299, 11001333, 14332227, 18053217, 20431047, 23152059, 24622031, 31656897, 33003999, 33441863, 42996681, 45726629, 47672443, 61293141, 73866093, 100325589, 137179887, 143017329, 172354217, 221598279, 300976767, 320086403, 411539661, 429051987, 517062651, 960259209, 1551187953, 2240604821, 2880777627, 6721814463, 20165443389]

約数ペア:

[(1, 20165443389), (3, 6721814463), (7, 2880777627), (9, 2240604821), (13, 1551187953), (21, 960259209), (39, 517062651), (47, 429051987), (49, 411539661), (63, 320086403), (67, 300976767), (91, 221598279), (117, 172354217), (141, 143017329), (147, 137179887), (201, 100325589), (273, 73866093), (329, 61293141), (423, 47672443), (441, 45726629), (469, 42996681), (603, 33441863), (611, 33003999), (637, 31656897), (819, 24622031), (871, 23152059), (987, 20431047), (1117, 18053217), (1407, 14332227), (1833, 11001333), (1911, 10552299), (2303, 8756163), (2613, 7717353), (2961, 6810349), (3149, 6403761), (3283, 6142383), (3351, 6017739), (4221, 4777409), (4277, 4714857), (5499, 3667111), (5733, 3517433), (6097, 3307437), (6909, 2918721), (7819, 2579031), (7839, 2572451), (9447, 2134587), (9849, 2047461), (10053, 2005913), (12831, 1571619), (14521, 1388709), (18291, 1102479), (20727, 972907), (22043, 914823), (23457, 859677), (28341, 711529), (29547, 682487), (29939, 673551), (38493, 523873), (40937, 492597), (42679, 472491), (43563, 462903), (52499, 384111), (54733, 368433), (54873, 367493), (66129, 304941), (70371, 286559), (74839, 269451), (89817, 224517), (101647, 198387), (122811, 164199), (128037, 157497), (130689, 154301)]