20236487145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 38675045376

約数和(自身を除く): 18438558231

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 137, 185, 193, 197, 259, 411, 555, 579, 591, 685, 777, 959, 965, 985, 1295, 1351, 1379, 2055, 2877, 2895, 2955, 3885, 4053, 4137, 4795, 5069, 6755, 6895, 7141, 7289, 14385, 15207, 20265, 20685, 21423, 21867, 25345, 26441, 26989, 35483, 35705, 36445, 38021, 49987, 51023, 76035, 79323, 80967, 106449, 107115, 109335, 114063, 132205, 134945, 149961, 153069, 177415, 185087, 188923, 190105, 249935, 255115, 266147, 396615, 404835, 532245, 555261, 566769, 570315, 749805, 765345, 798441, 925435, 944615, 978317, 998593, 1330735, 1406777, 2776305, 2833845, 2934951, 2995779, 3992205, 4220331, 4891585, 4992965, 5208877, 6848219, 6990151, 7033885, 9847439, 14674755, 14978895, 15626631, 20544657, 20970453, 21101655, 26044385, 29542317, 34241095, 34950755, 36462139, 49237195, 78133155, 102723285, 104852265, 109386417, 147711585, 182310695, 192728449, 546932085, 578185347, 963642245, 1349099143, 2890926735, 4047297429, 6745495715, 20236487145]

約数ペア:

[(1, 20236487145), (3, 6745495715), (5, 4047297429), (7, 2890926735), (15, 1349099143), (21, 963642245), (35, 578185347), (37, 546932085), (105, 192728449), (111, 182310695), (137, 147711585), (185, 109386417), (193, 104852265), (197, 102723285), (259, 78133155), (411, 49237195), (555, 36462139), (579, 34950755), (591, 34241095), (685, 29542317), (777, 26044385), (959, 21101655), (965, 20970453), (985, 20544657), (1295, 15626631), (1351, 14978895), (1379, 14674755), (2055, 9847439), (2877, 7033885), (2895, 6990151), (2955, 6848219), (3885, 5208877), (4053, 4992965), (4137, 4891585), (4795, 4220331), (5069, 3992205), (6755, 2995779), (6895, 2934951), (7141, 2833845), (7289, 2776305), (14385, 1406777), (15207, 1330735), (20265, 998593), (20685, 978317), (21423, 944615), (21867, 925435), (25345, 798441), (26441, 765345), (26989, 749805), (35483, 570315), (35705, 566769), (36445, 555261), (38021, 532245), (49987, 404835), (51023, 396615), (76035, 266147), (79323, 255115), (80967, 249935), (106449, 190105), (107115, 188923), (109335, 185087), (114063, 177415), (132205, 153069), (134945, 149961)]