20185548656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:959

約数の個数: 160

約数和(自身を含む): 48871538688

約数和(自身を除く): 28685990032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 127, 173, 182, 208, 254, 346, 364, 508, 631, 692, 728, 889, 1016, 1211, 1262, 1384, 1456, 1651, 1778, 2032, 2249, 2422, 2524, 2768, 3302, 3556, 4417, 4498, 4844, 5048, 6604, 7112, 8203, 8834, 8996, 9688, 10096, 11557, 13208, 14224, 15743, 16406, 17668, 17992, 19376, 21971, 23114, 26416, 31486, 32812, 35336, 35984, 43942, 46228, 57421, 62972, 65624, 70672, 80137, 87884, 92456, 109163, 114842, 125944, 131248, 153797, 160274, 175768, 184912, 218326, 229684, 251888, 285623, 307594, 320548, 351536, 436652, 459368, 560959, 571246, 615188, 641096, 764141, 873304, 918736, 1041781, 1121918, 1142492, 1230376, 1282192, 1419119, 1528282, 1746608, 1999361, 2083562, 2243836, 2284984, 2460752, 2838238, 3056564, 3998722, 4167124, 4487672, 4569968, 5676476, 6113128, 7292467, 7997444, 8334248, 8975344, 9933833, 11352952, 12226256, 13863701, 14584934, 15994888, 16668496, 19867666, 22705904, 27727402, 29169868, 31989776, 39735332, 55454804, 58339736, 79470664, 97045907, 110909608, 116679472, 158941328, 180228113, 194091814, 221819216, 360456226, 388183628, 720912452, 776367256, 1261596791, 1441824904, 1552734512, 2523193582, 2883649808, 5046387164, 10092774328, 20185548656]

約数ペア:

[(1, 20185548656), (2, 10092774328), (4, 5046387164), (7, 2883649808), (8, 2523193582), (13, 1552734512), (14, 1441824904), (16, 1261596791), (26, 776367256), (28, 720912452), (52, 388183628), (56, 360456226), (91, 221819216), (104, 194091814), (112, 180228113), (127, 158941328), (173, 116679472), (182, 110909608), (208, 97045907), (254, 79470664), (346, 58339736), (364, 55454804), (508, 39735332), (631, 31989776), (692, 29169868), (728, 27727402), (889, 22705904), (1016, 19867666), (1211, 16668496), (1262, 15994888), (1384, 14584934), (1456, 13863701), (1651, 12226256), (1778, 11352952), (2032, 9933833), (2249, 8975344), (2422, 8334248), (2524, 7997444), (2768, 7292467), (3302, 6113128), (3556, 5676476), (4417, 4569968), (4498, 4487672), (4844, 4167124), (5048, 3998722), (6604, 3056564), (7112, 2838238), (8203, 2460752), (8834, 2284984), (8996, 2243836), (9688, 2083562), (10096, 1999361), (11557, 1746608), (13208, 1528282), (14224, 1419119), (15743, 1282192), (16406, 1230376), (17668, 1142492), (17992, 1121918), (19376, 1041781), (21971, 918736), (23114, 873304), (26416, 764141), (31486, 641096), (32812, 615188), (35336, 571246), (35984, 560959), (43942, 459368), (46228, 436652), (57421, 351536), (62972, 320548), (65624, 307594), (70672, 285623), (80137, 251888), (87884, 229684), (92456, 218326), (109163, 184912), (114842, 175768), (125944, 160274), (131248, 153797)]