20818271808

素因数分解:

$2^6\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{16481}}^1$

素因数の和:16562

約数の個数: 224

約数和(自身を含む): 66313019520

約数和(自身を除く): 45494747712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 43, 48, 51, 54, 64, 68, 72, 86, 96, 102, 108, 129, 136, 144, 153, 172, 192, 204, 216, 258, 272, 288, 306, 344, 387, 408, 432, 459, 516, 544, 576, 612, 688, 731, 774, 816, 864, 918, 1032, 1088, 1161, 1224, 1376, 1462, 1548, 1632, 1728, 1836, 2064, 2193, 2322, 2448, 2752, 2924, 3096, 3264, 3672, 4128, 4386, 4644, 4896, 5848, 6192, 6579, 7344, 8256, 8772, 9288, 9792, 11696, 12384, 13158, 14688, 16481, 17544, 18576, 19737, 23392, 24768, 26316, 29376, 32962, 35088, 37152, 39474, 46784, 49443, 52632, 65924, 70176, 74304, 78948, 98886, 105264, 131848, 140352, 148329, 157896, 197772, 210528, 263696, 280177, 296658, 315792, 395544, 421056, 444987, 527392, 560354, 593316, 631584, 708683, 791088, 840531, 889974, 1054784, 1120708, 1186632, 1263168, 1417366, 1582176, 1681062, 1779948, 2126049, 2241416, 2373264, 2521593, 2834732, 3164352, 3362124, 3559896, 4252098, 4482832, 4746528, 5043186, 5669464, 6378147, 6724248, 7119792, 7564779, 8504196, 8965664, 9493056, 10086372, 11338928, 12047611, 12756294, 13448496, 14239584, 15129558, 17008392, 17931328, 19134441, 20172744, 22677856, 24095222, 25512588, 26896992, 28479168, 30259116, 34016784, 36142833, 38268882, 40345488, 45355712, 48190444, 51025176, 53793984, 60518232, 68033568, 72285666, 76537764, 80690976, 96380888, 102050352, 108428499, 121036464, 136067136, 144571332, 153075528, 161381952, 192761776, 204100704, 216856998, 242072928, 289142664, 306151056, 325285497, 385523552, 408201408, 433713996, 484145856, 578285328, 612302112, 650570994, 771047104, 867427992, 1156570656, 1224604224, 1301141988, 1734855984, 2313141312, 2602283976, 3469711968, 5204567952, 6939423936, 10409135904, 20818271808]

約数ペア:

[(1, 20818271808), (2, 10409135904), (3, 6939423936), (4, 5204567952), (6, 3469711968), (8, 2602283976), (9, 2313141312), (12, 1734855984), (16, 1301141988), (17, 1224604224), (18, 1156570656), (24, 867427992), (27, 771047104), (32, 650570994), (34, 612302112), (36, 578285328), (43, 484145856), (48, 433713996), (51, 408201408), (54, 385523552), (64, 325285497), (68, 306151056), (72, 289142664), (86, 242072928), (96, 216856998), (102, 204100704), (108, 192761776), (129, 161381952), (136, 153075528), (144, 144571332), (153, 136067136), (172, 121036464), (192, 108428499), (204, 102050352), (216, 96380888), (258, 80690976), (272, 76537764), (288, 72285666), (306, 68033568), (344, 60518232), (387, 53793984), (408, 51025176), (432, 48190444), (459, 45355712), (516, 40345488), (544, 38268882), (576, 36142833), (612, 34016784), (688, 30259116), (731, 28479168), (774, 26896992), (816, 25512588), (864, 24095222), (918, 22677856), (1032, 20172744), (1088, 19134441), (1161, 17931328), (1224, 17008392), (1376, 15129558), (1462, 14239584), (1548, 13448496), (1632, 12756294), (1728, 12047611), (1836, 11338928), (2064, 10086372), (2193, 9493056), (2322, 8965664), (2448, 8504196), (2752, 7564779), (2924, 7119792), (3096, 6724248), (3264, 6378147), (3672, 5669464), (4128, 5043186), (4386, 4746528), (4644, 4482832), (4896, 4252098), (5848, 3559896), (6192, 3362124), (6579, 3164352), (7344, 2834732), (8256, 2521593), (8772, 2373264), (9288, 2241416), (9792, 2126049), (11696, 1779948), (12384, 1681062), (13158, 1582176), (14688, 1417366), (16481, 1263168), (17544, 1186632), (18576, 1120708), (19737, 1054784), (23392, 889974), (24768, 840531), (26316, 791088), (29376, 708683), (32962, 631584), (35088, 593316), (37152, 560354), (39474, 527392), (46784, 444987), (49443, 421056), (52632, 395544), (65924, 315792), (70176, 296658), (74304, 280177), (78948, 263696), (98886, 210528), (105264, 197772), (131848, 157896), (140352, 148329)]