20789927613

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2251}}^1$

素因数の和:2469

約数の個数: 120

約数和(自身を含む): 39140750880

約数和(自身を除く): 18350823267

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 179, 189, 273, 351, 441, 537, 567, 637, 819, 1053, 1253, 1323, 1611, 1911, 2251, 2327, 2457, 3759, 3969, 4833, 5733, 6753, 6981, 7371, 8771, 11277, 14499, 15757, 16289, 17199, 20259, 20943, 26313, 29263, 33831, 47271, 48867, 51597, 60777, 62829, 78939, 87789, 101493, 110299, 114023, 141813, 146601, 182331, 188487, 204841, 236817, 263367, 330897, 342069, 402929, 425439, 439803, 614523, 710451, 790101, 992691, 1026207, 1208787, 1276317, 1319409, 1433887, 1843569, 2370303, 2820503, 2978073, 3078621, 3626361, 4301661, 5238077, 5530707, 8461509, 8934219, 9235863, 10879083, 12904983, 15714231, 16592121, 19743521, 25384527, 32637249, 36666539, 38714949, 47142693, 59230563, 76153581, 109999617, 116144847, 141428079, 177691689, 228460743, 256665773, 329998851, 424284237, 533075067, 769997319, 989996553, 1599225201, 2309991957, 2969989659, 6929975871, 20789927613]

約数ペア:

[(1, 20789927613), (3, 6929975871), (7, 2969989659), (9, 2309991957), (13, 1599225201), (21, 989996553), (27, 769997319), (39, 533075067), (49, 424284237), (63, 329998851), (81, 256665773), (91, 228460743), (117, 177691689), (147, 141428079), (179, 116144847), (189, 109999617), (273, 76153581), (351, 59230563), (441, 47142693), (537, 38714949), (567, 36666539), (637, 32637249), (819, 25384527), (1053, 19743521), (1253, 16592121), (1323, 15714231), (1611, 12904983), (1911, 10879083), (2251, 9235863), (2327, 8934219), (2457, 8461509), (3759, 5530707), (3969, 5238077), (4833, 4301661), (5733, 3626361), (6753, 3078621), (6981, 2978073), (7371, 2820503), (8771, 2370303), (11277, 1843569), (14499, 1433887), (15757, 1319409), (16289, 1276317), (17199, 1208787), (20259, 1026207), (20943, 992691), (26313, 790101), (29263, 710451), (33831, 614523), (47271, 439803), (48867, 425439), (51597, 402929), (60777, 342069), (62829, 330897), (78939, 263367), (87789, 236817), (101493, 204841), (110299, 188487), (114023, 182331), (141813, 146601)]