20749207584

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:688

約数の個数: 288

約数和(自身を含む): 64933094016

約数和(自身を除く): 44183886432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 61, 84, 96, 98, 112, 122, 147, 167, 168, 183, 196, 224, 244, 294, 334, 336, 366, 392, 427, 433, 488, 501, 588, 668, 672, 732, 784, 854, 866, 976, 1002, 1169, 1176, 1281, 1299, 1336, 1464, 1568, 1708, 1732, 1952, 2004, 2338, 2352, 2562, 2598, 2672, 2928, 2989, 3031, 3416, 3464, 3507, 4008, 4676, 4704, 5124, 5196, 5344, 5856, 5978, 6062, 6832, 6928, 7014, 8016, 8183, 8967, 9093, 9352, 10187, 10248, 10392, 11956, 12124, 13664, 13856, 14028, 16032, 16366, 17934, 18186, 18704, 20374, 20496, 20784, 21217, 23912, 24248, 24549, 26413, 28056, 30561, 32732, 35868, 36372, 37408, 40748, 40992, 41568, 42434, 47824, 48496, 49098, 52826, 56112, 61122, 63651, 65464, 71309, 71736, 72311, 72744, 79239, 81496, 84868, 95648, 96992, 98196, 105652, 112224, 122244, 127302, 130928, 142618, 143472, 144622, 145488, 158478, 162992, 169736, 184891, 196392, 211304, 213927, 216933, 244488, 254604, 261856, 285236, 286944, 289244, 290976, 316956, 325984, 339472, 369782, 392784, 422608, 427854, 433866, 488976, 499163, 506177, 509208, 554673, 570472, 578488, 633912, 678944, 739564, 785568, 845216, 855708, 867732, 977952, 998326, 1012354, 1018416, 1109346, 1140944, 1156976, 1267824, 1294237, 1479128, 1497489, 1518531, 1711416, 1735464, 1996652, 2024708, 2036832, 2218692, 2281888, 2313952, 2535648, 2588474, 2958256, 2994978, 3037062, 3422832, 3470928, 3543239, 3882711, 3993304, 4049416, 4410971, 4437384, 5176948, 5916512, 5989956, 6074124, 6845664, 6941856, 7086478, 7765422, 7986608, 8098832, 8821942, 8874768, 10353896, 10629717, 11979912, 12148248, 13232913, 14172956, 15530844, 15973216, 16197664, 17643884, 17749536, 20707792, 21259434, 23959824, 24296496, 26465826, 28345912, 30876797, 31061688, 35287768, 41415584, 42518868, 47919648, 48592992, 52931652, 56691824, 61753594, 62123376, 70575536, 85037736, 92630391, 105863304, 113383648, 123507188, 124246752, 141151072, 170075472, 185260782, 211726608, 216137579, 247014376, 340150944, 370521564, 423453216, 432275158, 494028752, 648412737, 741043128, 864550316, 988057504, 1296825474, 1482086256, 1729100632, 2593650948, 2964172512, 3458201264, 5187301896, 6916402528, 10374603792, 20749207584]

約数ペア:

[(1, 20749207584), (2, 10374603792), (3, 6916402528), (4, 5187301896), (6, 3458201264), (7, 2964172512), (8, 2593650948), (12, 1729100632), (14, 1482086256), (16, 1296825474), (21, 988057504), (24, 864550316), (28, 741043128), (32, 648412737), (42, 494028752), (48, 432275158), (49, 423453216), (56, 370521564), (61, 340150944), (84, 247014376), (96, 216137579), (98, 211726608), (112, 185260782), (122, 170075472), (147, 141151072), (167, 124246752), (168, 123507188), (183, 113383648), (196, 105863304), (224, 92630391), (244, 85037736), (294, 70575536), (334, 62123376), (336, 61753594), (366, 56691824), (392, 52931652), (427, 48592992), (433, 47919648), (488, 42518868), (501, 41415584), (588, 35287768), (668, 31061688), (672, 30876797), (732, 28345912), (784, 26465826), (854, 24296496), (866, 23959824), (976, 21259434), (1002, 20707792), (1169, 17749536), (1176, 17643884), (1281, 16197664), (1299, 15973216), (1336, 15530844), (1464, 14172956), (1568, 13232913), (1708, 12148248), (1732, 11979912), (1952, 10629717), (2004, 10353896), (2338, 8874768), (2352, 8821942), (2562, 8098832), (2598, 7986608), (2672, 7765422), (2928, 7086478), (2989, 6941856), (3031, 6845664), (3416, 6074124), (3464, 5989956), (3507, 5916512), (4008, 5176948), (4676, 4437384), (4704, 4410971), (5124, 4049416), (5196, 3993304), (5344, 3882711), (5856, 3543239), (5978, 3470928), (6062, 3422832), (6832, 3037062), (6928, 2994978), (7014, 2958256), (8016, 2588474), (8183, 2535648), (8967, 2313952), (9093, 2281888), (9352, 2218692), (10187, 2036832), (10248, 2024708), (10392, 1996652), (11956, 1735464), (12124, 1711416), (13664, 1518531), (13856, 1497489), (14028, 1479128), (16032, 1294237), (16366, 1267824), (17934, 1156976), (18186, 1140944), (18704, 1109346), (20374, 1018416), (20496, 1012354), (20784, 998326), (21217, 977952), (23912, 867732), (24248, 855708), (24549, 845216), (26413, 785568), (28056, 739564), (30561, 678944), (32732, 633912), (35868, 578488), (36372, 570472), (37408, 554673), (40748, 509208), (40992, 506177), (41568, 499163), (42434, 488976), (47824, 433866), (48496, 427854), (49098, 422608), (52826, 392784), (56112, 369782), (61122, 339472), (63651, 325984), (65464, 316956), (71309, 290976), (71736, 289244), (72311, 286944), (72744, 285236), (79239, 261856), (81496, 254604), (84868, 244488), (95648, 216933), (96992, 213927), (98196, 211304), (105652, 196392), (112224, 184891), (122244, 169736), (127302, 162992), (130928, 158478), (142618, 145488), (143472, 144622)]