20477461368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{547}}^1$

素因数の和:918

約数の個数: 256

約数和(自身を含む): 64385879040

約数和(自身を除く): 43908417672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 61, 78, 84, 91, 104, 122, 156, 168, 182, 183, 244, 273, 281, 312, 364, 366, 427, 488, 546, 547, 562, 728, 732, 793, 843, 854, 1092, 1094, 1124, 1281, 1464, 1586, 1641, 1686, 1708, 1967, 2184, 2188, 2248, 2379, 2562, 3172, 3282, 3372, 3416, 3653, 3829, 3934, 4376, 4758, 5124, 5551, 5901, 6344, 6564, 6744, 7111, 7306, 7658, 7868, 9516, 10248, 10959, 11102, 11487, 11802, 13128, 14222, 14612, 15316, 15736, 16653, 17141, 19032, 21333, 21918, 22204, 22974, 23604, 25571, 28444, 29224, 30632, 33306, 33367, 34282, 42666, 43836, 44408, 45948, 47208, 49777, 51142, 51423, 56888, 66612, 66734, 68564, 76713, 85332, 87672, 91896, 99554, 100101, 102284, 102846, 119987, 133224, 133468, 137128, 149331, 153426, 153707, 170664, 199108, 200202, 204568, 205692, 222833, 233569, 239974, 266936, 298662, 306852, 307414, 359961, 398216, 400404, 411384, 433771, 445666, 461121, 467138, 479948, 597324, 613704, 614828, 668499, 700707, 719922, 800808, 867542, 891332, 922242, 934276, 959896, 1075949, 1194648, 1229656, 1301313, 1336998, 1401414, 1439844, 1559831, 1735084, 1782664, 1844484, 1868552, 1998191, 2151898, 2602626, 2673996, 2802828, 2879688, 3036397, 3119662, 3227847, 3470168, 3688968, 3996382, 4303796, 4679493, 5205252, 5347992, 5605656, 5994573, 6072794, 6239324, 6455694, 7992764, 8607592, 9109191, 9358986, 9376127, 10410504, 11989146, 12145588, 12478648, 12911388, 13987337, 15985528, 18218382, 18717972, 18752254, 23978292, 24291176, 25822776, 27974674, 28128381, 36436764, 37435944, 37504508, 41962011, 47956584, 55949348, 56256762, 65632889, 72873528, 75009016, 83924022, 111898696, 112513524, 121889651, 131265778, 167848044, 196898667, 225027048, 243779302, 262531556, 335696088, 365668953, 393797334, 487558604, 525063112, 731337906, 787594668, 853227557, 975117208, 1462675812, 1575189336, 1706455114, 2559682671, 2925351624, 3412910228, 5119365342, 6825820456, 10238730684, 20477461368]

約数ペア:

[(1, 20477461368), (2, 10238730684), (3, 6825820456), (4, 5119365342), (6, 3412910228), (7, 2925351624), (8, 2559682671), (12, 1706455114), (13, 1575189336), (14, 1462675812), (21, 975117208), (24, 853227557), (26, 787594668), (28, 731337906), (39, 525063112), (42, 487558604), (52, 393797334), (56, 365668953), (61, 335696088), (78, 262531556), (84, 243779302), (91, 225027048), (104, 196898667), (122, 167848044), (156, 131265778), (168, 121889651), (182, 112513524), (183, 111898696), (244, 83924022), (273, 75009016), (281, 72873528), (312, 65632889), (364, 56256762), (366, 55949348), (427, 47956584), (488, 41962011), (546, 37504508), (547, 37435944), (562, 36436764), (728, 28128381), (732, 27974674), (793, 25822776), (843, 24291176), (854, 23978292), (1092, 18752254), (1094, 18717972), (1124, 18218382), (1281, 15985528), (1464, 13987337), (1586, 12911388), (1641, 12478648), (1686, 12145588), (1708, 11989146), (1967, 10410504), (2184, 9376127), (2188, 9358986), (2248, 9109191), (2379, 8607592), (2562, 7992764), (3172, 6455694), (3282, 6239324), (3372, 6072794), (3416, 5994573), (3653, 5605656), (3829, 5347992), (3934, 5205252), (4376, 4679493), (4758, 4303796), (5124, 3996382), (5551, 3688968), (5901, 3470168), (6344, 3227847), (6564, 3119662), (6744, 3036397), (7111, 2879688), (7306, 2802828), (7658, 2673996), (7868, 2602626), (9516, 2151898), (10248, 1998191), (10959, 1868552), (11102, 1844484), (11487, 1782664), (11802, 1735084), (13128, 1559831), (14222, 1439844), (14612, 1401414), (15316, 1336998), (15736, 1301313), (16653, 1229656), (17141, 1194648), (19032, 1075949), (21333, 959896), (21918, 934276), (22204, 922242), (22974, 891332), (23604, 867542), (25571, 800808), (28444, 719922), (29224, 700707), (30632, 668499), (33306, 614828), (33367, 613704), (34282, 597324), (42666, 479948), (43836, 467138), (44408, 461121), (45948, 445666), (47208, 433771), (49777, 411384), (51142, 400404), (51423, 398216), (56888, 359961), (66612, 307414), (66734, 306852), (68564, 298662), (76713, 266936), (85332, 239974), (87672, 233569), (91896, 222833), (99554, 205692), (100101, 204568), (102284, 200202), (102846, 199108), (119987, 170664), (133224, 153707), (133468, 153426), (137128, 149331)]