20735270402

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 40573550592

約数和(自身を除く): 19838280190

約数列:

[1, 2, 7, 11, 14, 22, 47, 71, 77, 94, 142, 154, 157, 257, 314, 329, 497, 514, 517, 658, 781, 994, 1034, 1099, 1562, 1727, 1799, 2198, 2827, 3337, 3454, 3598, 3619, 5467, 5654, 6674, 7238, 7379, 10934, 11147, 12079, 12089, 14758, 18247, 19789, 22294, 23359, 24158, 24178, 36494, 36707, 39578, 40349, 46718, 51653, 73414, 78029, 80698, 81169, 84553, 103306, 122617, 127729, 132869, 156058, 162338, 169106, 200717, 245234, 255458, 256949, 265738, 282443, 401434, 443839, 513898, 523909, 564886, 568183, 857609, 858319, 887678, 930083, 1047818, 1136366, 1405019, 1715218, 1716638, 1860166, 1896403, 2810038, 2864779, 3106873, 3667363, 3792806, 5729558, 5762999, 6003263, 6213746, 7334726, 9433699, 11525998, 12006526, 13274821, 18867398, 20053453, 20860433, 26549642, 31512569, 40106906, 40340993, 41720866, 63025138, 66035893, 80681986, 132071786, 134644613, 146023031, 220587983, 269289226, 292046062, 441175966, 942512291, 1481090743, 1885024582, 2962181486, 10367635201, 20735270402]

約数ペア:

[(1, 20735270402), (2, 10367635201), (7, 2962181486), (11, 1885024582), (14, 1481090743), (22, 942512291), (47, 441175966), (71, 292046062), (77, 269289226), (94, 220587983), (142, 146023031), (154, 134644613), (157, 132071786), (257, 80681986), (314, 66035893), (329, 63025138), (497, 41720866), (514, 40340993), (517, 40106906), (658, 31512569), (781, 26549642), (994, 20860433), (1034, 20053453), (1099, 18867398), (1562, 13274821), (1727, 12006526), (1799, 11525998), (2198, 9433699), (2827, 7334726), (3337, 6213746), (3454, 6003263), (3598, 5762999), (3619, 5729558), (5467, 3792806), (5654, 3667363), (6674, 3106873), (7238, 2864779), (7379, 2810038), (10934, 1896403), (11147, 1860166), (12079, 1716638), (12089, 1715218), (14758, 1405019), (18247, 1136366), (19789, 1047818), (22294, 930083), (23359, 887678), (24158, 858319), (24178, 857609), (36494, 568183), (36707, 564886), (39578, 523909), (40349, 513898), (46718, 443839), (51653, 401434), (73414, 282443), (78029, 265738), (80698, 256949), (81169, 255458), (84553, 245234), (103306, 200717), (122617, 169106), (127729, 162338), (132869, 156058)]