20213898624

素因数分解:

$2^7\times 3^7\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:641

約数の個数: 256

約数和(自身を含む): 60903302400

約数和(自身を除く): 40689403776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 163, 192, 216, 243, 288, 324, 326, 384, 432, 443, 486, 489, 576, 648, 652, 729, 864, 886, 972, 978, 1152, 1296, 1304, 1329, 1458, 1467, 1728, 1772, 1944, 1956, 2187, 2592, 2608, 2658, 2916, 2934, 3456, 3544, 3888, 3912, 3987, 4374, 4401, 5184, 5216, 5316, 5832, 5868, 7088, 7776, 7824, 7974, 8748, 8802, 10368, 10432, 10632, 11664, 11736, 11961, 13203, 14176, 15552, 15648, 15948, 17496, 17604, 20864, 21264, 23328, 23472, 23922, 26406, 28352, 31104, 31296, 31896, 34992, 35208, 35883, 39609, 42528, 46656, 46944, 47844, 52812, 56704, 62592, 63792, 69984, 70416, 71766, 72209, 79218, 85056, 93312, 93888, 95688, 105624, 107649, 118827, 127584, 139968, 140832, 143532, 144418, 158436, 170112, 187776, 191376, 211248, 215298, 216627, 237654, 255168, 279936, 281664, 287064, 288836, 316872, 322947, 356481, 382752, 422496, 430596, 433254, 475308, 510336, 563328, 574128, 577672, 633744, 645894, 649881, 712962, 765504, 844992, 861192, 866508, 950616, 968841, 1148256, 1155344, 1267488, 1291788, 1299762, 1425924, 1531008, 1689984, 1722384, 1733016, 1901232, 1937682, 1949643, 2296512, 2310688, 2534976, 2583576, 2599524, 2851848, 3444768, 3466032, 3802464, 3875364, 3899286, 4593024, 4621376, 5069952, 5167152, 5199048, 5703696, 5848929, 6889536, 6932064, 7604928, 7750728, 7798572, 9242752, 10334304, 10398096, 11407392, 11697858, 13779072, 13864128, 15209856, 15501456, 15597144, 17546787, 20668608, 20796192, 22814784, 23395716, 27728256, 31002912, 31194288, 35093574, 41337216, 41592384, 45629568, 46791432, 52640361, 62005824, 62388576, 70187148, 83184768, 93582864, 105280722, 124011648, 124777152, 140374296, 157921083, 187165728, 210561444, 249554304, 280748592, 315842166, 374331456, 421122888, 561497184, 631684332, 748662912, 842245776, 1122994368, 1263368664, 1684491552, 2245988736, 2526737328, 3368983104, 5053474656, 6737966208, 10106949312, 20213898624]

約数ペア:

[(1, 20213898624), (2, 10106949312), (3, 6737966208), (4, 5053474656), (6, 3368983104), (8, 2526737328), (9, 2245988736), (12, 1684491552), (16, 1263368664), (18, 1122994368), (24, 842245776), (27, 748662912), (32, 631684332), (36, 561497184), (48, 421122888), (54, 374331456), (64, 315842166), (72, 280748592), (81, 249554304), (96, 210561444), (108, 187165728), (128, 157921083), (144, 140374296), (162, 124777152), (163, 124011648), (192, 105280722), (216, 93582864), (243, 83184768), (288, 70187148), (324, 62388576), (326, 62005824), (384, 52640361), (432, 46791432), (443, 45629568), (486, 41592384), (489, 41337216), (576, 35093574), (648, 31194288), (652, 31002912), (729, 27728256), (864, 23395716), (886, 22814784), (972, 20796192), (978, 20668608), (1152, 17546787), (1296, 15597144), (1304, 15501456), (1329, 15209856), (1458, 13864128), (1467, 13779072), (1728, 11697858), (1772, 11407392), (1944, 10398096), (1956, 10334304), (2187, 9242752), (2592, 7798572), (2608, 7750728), (2658, 7604928), (2916, 6932064), (2934, 6889536), (3456, 5848929), (3544, 5703696), (3888, 5199048), (3912, 5167152), (3987, 5069952), (4374, 4621376), (4401, 4593024), (5184, 3899286), (5216, 3875364), (5316, 3802464), (5832, 3466032), (5868, 3444768), (7088, 2851848), (7776, 2599524), (7824, 2583576), (7974, 2534976), (8748, 2310688), (8802, 2296512), (10368, 1949643), (10432, 1937682), (10632, 1901232), (11664, 1733016), (11736, 1722384), (11961, 1689984), (13203, 1531008), (14176, 1425924), (15552, 1299762), (15648, 1291788), (15948, 1267488), (17496, 1155344), (17604, 1148256), (20864, 968841), (21264, 950616), (23328, 866508), (23472, 861192), (23922, 844992), (26406, 765504), (28352, 712962), (31104, 649881), (31296, 645894), (31896, 633744), (34992, 577672), (35208, 574128), (35883, 563328), (39609, 510336), (42528, 475308), (46656, 433254), (46944, 430596), (47844, 422496), (52812, 382752), (56704, 356481), (62592, 322947), (63792, 316872), (69984, 288836), (70416, 287064), (71766, 281664), (72209, 279936), (79218, 255168), (85056, 237654), (93312, 216627), (93888, 215298), (95688, 211248), (105624, 191376), (107649, 187776), (118827, 170112), (127584, 158436), (139968, 144418), (140832, 143532)]