20808385416

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{5641}}^1$

素因数の和:6236

約数の個数: 192

約数和(自身を含む): 69496801920

約数和(自身を除く): 48688416504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 563, 728, 819, 936, 1092, 1126, 1638, 1689, 2184, 2252, 3276, 3378, 3941, 4504, 5067, 5641, 6552, 6756, 7319, 7882, 10134, 11282, 11823, 13512, 14638, 15764, 16923, 20268, 21957, 22564, 23646, 29276, 31528, 33846, 35469, 39487, 40536, 43914, 45128, 47292, 50769, 51233, 58552, 65871, 67692, 70938, 73333, 78974, 87828, 94584, 101538, 102466, 118461, 131742, 135384, 141876, 146666, 153699, 157948, 175656, 203076, 204932, 219999, 236922, 263484, 283752, 293332, 307398, 315896, 355383, 406152, 409864, 439998, 461097, 473844, 513331, 526968, 586664, 614796, 659997, 710766, 879996, 922194, 947688, 1026662, 1229592, 1319994, 1421532, 1539993, 1759992, 1844388, 2053324, 2639988, 2843064, 3079986, 3175883, 3688776, 4106648, 4619979, 5279976, 6159972, 6351766, 9239958, 9527649, 12319944, 12703532, 18479916, 19055298, 22231181, 25407064, 28582947, 36959832, 38110596, 41286479, 44462362, 57165894, 66693543, 76221192, 82572958, 88924724, 114331788, 123859437, 133387086, 165145916, 177849448, 200080629, 228663576, 247718874, 266774172, 289005353, 330291832, 371578311, 400161258, 495437748, 533548344, 578010706, 743156622, 800322516, 867016059, 990875496, 1156021412, 1486313244, 1600645032, 1734032118, 2312042824, 2601048177, 2972626488, 3468064236, 5202096354, 6936128472, 10404192708, 20808385416]

約数ペア:

[(1, 20808385416), (2, 10404192708), (3, 6936128472), (4, 5202096354), (6, 3468064236), (7, 2972626488), (8, 2601048177), (9, 2312042824), (12, 1734032118), (13, 1600645032), (14, 1486313244), (18, 1156021412), (21, 990875496), (24, 867016059), (26, 800322516), (28, 743156622), (36, 578010706), (39, 533548344), (42, 495437748), (52, 400161258), (56, 371578311), (63, 330291832), (72, 289005353), (78, 266774172), (84, 247718874), (91, 228663576), (104, 200080629), (117, 177849448), (126, 165145916), (156, 133387086), (168, 123859437), (182, 114331788), (234, 88924724), (252, 82572958), (273, 76221192), (312, 66693543), (364, 57165894), (468, 44462362), (504, 41286479), (546, 38110596), (563, 36959832), (728, 28582947), (819, 25407064), (936, 22231181), (1092, 19055298), (1126, 18479916), (1638, 12703532), (1689, 12319944), (2184, 9527649), (2252, 9239958), (3276, 6351766), (3378, 6159972), (3941, 5279976), (4504, 4619979), (5067, 4106648), (5641, 3688776), (6552, 3175883), (6756, 3079986), (7319, 2843064), (7882, 2639988), (10134, 2053324), (11282, 1844388), (11823, 1759992), (13512, 1539993), (14638, 1421532), (15764, 1319994), (16923, 1229592), (20268, 1026662), (21957, 947688), (22564, 922194), (23646, 879996), (29276, 710766), (31528, 659997), (33846, 614796), (35469, 586664), (39487, 526968), (40536, 513331), (43914, 473844), (45128, 461097), (47292, 439998), (50769, 409864), (51233, 406152), (58552, 355383), (65871, 315896), (67692, 307398), (70938, 293332), (73333, 283752), (78974, 263484), (87828, 236922), (94584, 219999), (101538, 204932), (102466, 203076), (118461, 175656), (131742, 157948), (135384, 153699), (141876, 146666)]