20217290784

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:775

約数の個数: 192

約数和(自身を含む): 56697822720

約数和(自身を除く): 36480531936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 131, 152, 211, 228, 262, 304, 393, 401, 422, 456, 524, 608, 633, 786, 802, 844, 912, 1048, 1203, 1266, 1572, 1604, 1688, 1824, 2096, 2406, 2489, 2532, 3144, 3208, 3376, 4009, 4192, 4812, 4978, 5064, 6288, 6416, 6752, 7467, 7619, 8018, 9624, 9956, 10128, 12027, 12576, 12832, 14934, 15238, 16036, 19248, 19912, 20256, 22857, 24054, 27641, 29868, 30476, 32072, 38496, 39824, 45714, 48108, 52531, 55282, 59736, 60952, 64144, 79648, 82923, 84611, 91428, 96216, 105062, 110564, 119472, 121904, 128288, 157593, 165846, 169222, 182856, 192432, 210124, 221128, 238944, 243808, 253833, 315186, 331692, 338444, 365712, 384864, 420248, 442256, 507666, 525179, 630372, 663384, 676888, 731424, 840496, 884512, 998089, 1015332, 1050358, 1260744, 1326768, 1353776, 1575537, 1607609, 1680992, 1996178, 2030664, 2100716, 2521488, 2653536, 2707552, 2994267, 3151074, 3215218, 3992356, 4061328, 4201432, 4822827, 5042976, 5988534, 6302148, 6430436, 7984712, 8122656, 8402864, 9645654, 11084041, 11977068, 12604296, 12860872, 15969424, 16805728, 19291308, 22168082, 23954136, 25208592, 25721744, 31938848, 33252123, 38582616, 44336164, 47908272, 50417184, 51443488, 66504246, 77165232, 88672328, 95816544, 133008492, 154330464, 177344656, 210596779, 266016984, 354689312, 421193558, 532033968, 631790337, 842387116, 1064067936, 1263580674, 1684774232, 2527161348, 3369548464, 5054322696, 6739096928, 10108645392, 20217290784]

約数ペア:

[(1, 20217290784), (2, 10108645392), (3, 6739096928), (4, 5054322696), (6, 3369548464), (8, 2527161348), (12, 1684774232), (16, 1263580674), (19, 1064067936), (24, 842387116), (32, 631790337), (38, 532033968), (48, 421193558), (57, 354689312), (76, 266016984), (96, 210596779), (114, 177344656), (131, 154330464), (152, 133008492), (211, 95816544), (228, 88672328), (262, 77165232), (304, 66504246), (393, 51443488), (401, 50417184), (422, 47908272), (456, 44336164), (524, 38582616), (608, 33252123), (633, 31938848), (786, 25721744), (802, 25208592), (844, 23954136), (912, 22168082), (1048, 19291308), (1203, 16805728), (1266, 15969424), (1572, 12860872), (1604, 12604296), (1688, 11977068), (1824, 11084041), (2096, 9645654), (2406, 8402864), (2489, 8122656), (2532, 7984712), (3144, 6430436), (3208, 6302148), (3376, 5988534), (4009, 5042976), (4192, 4822827), (4812, 4201432), (4978, 4061328), (5064, 3992356), (6288, 3215218), (6416, 3151074), (6752, 2994267), (7467, 2707552), (7619, 2653536), (8018, 2521488), (9624, 2100716), (9956, 2030664), (10128, 1996178), (12027, 1680992), (12576, 1607609), (12832, 1575537), (14934, 1353776), (15238, 1326768), (16036, 1260744), (19248, 1050358), (19912, 1015332), (20256, 998089), (22857, 884512), (24054, 840496), (27641, 731424), (29868, 676888), (30476, 663384), (32072, 630372), (38496, 525179), (39824, 507666), (45714, 442256), (48108, 420248), (52531, 384864), (55282, 365712), (59736, 338444), (60952, 331692), (64144, 315186), (79648, 253833), (82923, 243808), (84611, 238944), (91428, 221128), (96216, 210124), (105062, 192432), (110564, 182856), (119472, 169222), (121904, 165846), (128288, 157593)]