20814976728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{7013}}^1$

素因数の和:7199

約数の個数: 256

約数和(自身を含む): 71643801600

約数和(自身を除く): 50828824872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 151, 156, 168, 182, 189, 216, 234, 252, 273, 302, 312, 351, 364, 378, 453, 468, 504, 546, 604, 702, 728, 756, 819, 906, 936, 1057, 1092, 1208, 1359, 1404, 1512, 1638, 1812, 1963, 2114, 2184, 2457, 2718, 2808, 3171, 3276, 3624, 3926, 4077, 4228, 4914, 5436, 5889, 6342, 6552, 7013, 7852, 8154, 8456, 9513, 9828, 10872, 11778, 12684, 13741, 14026, 15704, 16308, 17667, 19026, 19656, 21039, 23556, 25368, 27482, 28052, 28539, 32616, 35334, 38052, 41223, 42078, 47112, 49091, 53001, 54964, 56104, 57078, 63117, 70668, 76104, 82446, 84156, 91169, 98182, 106002, 109928, 114156, 123669, 126234, 141336, 147273, 164892, 168312, 182338, 189351, 196364, 212004, 228312, 247338, 252468, 273507, 294546, 329784, 364676, 371007, 378702, 392728, 424008, 441819, 494676, 504936, 547014, 589092, 638183, 729352, 742014, 757404, 820521, 883638, 989352, 1058963, 1094028, 1178184, 1276366, 1325457, 1484028, 1514808, 1641042, 1767276, 1914549, 2117926, 2188056, 2461563, 2552732, 2650914, 2968056, 3176889, 3282084, 3534552, 3829098, 4235852, 4923126, 5105464, 5301828, 5743647, 6353778, 6564168, 7412741, 7658196, 8471704, 9530667, 9846252, 10603656, 11487294, 12707556, 13766519, 14825482, 15316392, 17230941, 19061334, 19692504, 22238223, 22974588, 25415112, 27533038, 28592001, 29650964, 34461882, 38122668, 41299557, 44476446, 45949176, 55066076, 57184002, 59301928, 66714669, 68923764, 76245336, 82599114, 88952892, 96365633, 110132152, 114368004, 123898671, 133429338, 137847528, 165198228, 177905784, 192731266, 200144007, 228736008, 247797342, 266858676, 289096899, 330396456, 371696013, 385462532, 400288014, 495594684, 533717352, 578193798, 743392026, 770925064, 800576028, 867290697, 991189368, 1156387596, 1486784052, 1601152056, 1734581394, 2312775192, 2601872091, 2973568104, 3469162788, 5203744182, 6938325576, 10407488364, 20814976728]

約数ペア:

[(1, 20814976728), (2, 10407488364), (3, 6938325576), (4, 5203744182), (6, 3469162788), (7, 2973568104), (8, 2601872091), (9, 2312775192), (12, 1734581394), (13, 1601152056), (14, 1486784052), (18, 1156387596), (21, 991189368), (24, 867290697), (26, 800576028), (27, 770925064), (28, 743392026), (36, 578193798), (39, 533717352), (42, 495594684), (52, 400288014), (54, 385462532), (56, 371696013), (63, 330396456), (72, 289096899), (78, 266858676), (84, 247797342), (91, 228736008), (104, 200144007), (108, 192731266), (117, 177905784), (126, 165198228), (151, 137847528), (156, 133429338), (168, 123898671), (182, 114368004), (189, 110132152), (216, 96365633), (234, 88952892), (252, 82599114), (273, 76245336), (302, 68923764), (312, 66714669), (351, 59301928), (364, 57184002), (378, 55066076), (453, 45949176), (468, 44476446), (504, 41299557), (546, 38122668), (604, 34461882), (702, 29650964), (728, 28592001), (756, 27533038), (819, 25415112), (906, 22974588), (936, 22238223), (1057, 19692504), (1092, 19061334), (1208, 17230941), (1359, 15316392), (1404, 14825482), (1512, 13766519), (1638, 12707556), (1812, 11487294), (1963, 10603656), (2114, 9846252), (2184, 9530667), (2457, 8471704), (2718, 7658196), (2808, 7412741), (3171, 6564168), (3276, 6353778), (3624, 5743647), (3926, 5301828), (4077, 5105464), (4228, 4923126), (4914, 4235852), (5436, 3829098), (5889, 3534552), (6342, 3282084), (6552, 3176889), (7013, 2968056), (7852, 2650914), (8154, 2552732), (8456, 2461563), (9513, 2188056), (9828, 2117926), (10872, 1914549), (11778, 1767276), (12684, 1641042), (13741, 1514808), (14026, 1484028), (15704, 1325457), (16308, 1276366), (17667, 1178184), (19026, 1094028), (19656, 1058963), (21039, 989352), (23556, 883638), (25368, 820521), (27482, 757404), (28052, 742014), (28539, 729352), (32616, 638183), (35334, 589092), (38052, 547014), (41223, 504936), (42078, 494676), (47112, 441819), (49091, 424008), (53001, 392728), (54964, 378702), (56104, 371007), (57078, 364676), (63117, 329784), (70668, 294546), (76104, 273507), (82446, 252468), (84156, 247338), (91169, 228312), (98182, 212004), (106002, 196364), (109928, 189351), (114156, 182338), (123669, 168312), (126234, 164892), (141336, 147273)]