20445076680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{2341}}^1$

素因数の和:2680

約数の個数: 256

約数和(自身を含む): 72278991360

約数和(自身を除く): 51833914680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 281, 296, 370, 420, 444, 518, 555, 562, 740, 777, 840, 843, 888, 1036, 1110, 1124, 1295, 1405, 1480, 1554, 1686, 1967, 2072, 2220, 2248, 2341, 2590, 2810, 3108, 3372, 3885, 3934, 4215, 4440, 4682, 5180, 5620, 5901, 6216, 6744, 7023, 7770, 7868, 8430, 9364, 9835, 10360, 10397, 11240, 11705, 11802, 14046, 15540, 15736, 16387, 16860, 18728, 19670, 20794, 23410, 23604, 28092, 29505, 31080, 31191, 32774, 33720, 35115, 39340, 41588, 46820, 47208, 49161, 51985, 56184, 59010, 62382, 65548, 70230, 72779, 78680, 81935, 83176, 86617, 93640, 98322, 103970, 118020, 124764, 131096, 140460, 145558, 155955, 163870, 173234, 196644, 207940, 218337, 236040, 245805, 249528, 259851, 280920, 291116, 311910, 327740, 346468, 363895, 393288, 415880, 433085, 436674, 491610, 519702, 582232, 606319, 623820, 655480, 657821, 692936, 727790, 866170, 873348, 983220, 1039404, 1091685, 1212638, 1247640, 1299255, 1315642, 1455580, 1732340, 1746696, 1818957, 1966440, 1973463, 2078808, 2183370, 2425276, 2598510, 2631284, 2911160, 3031595, 3289105, 3464680, 3637914, 3946926, 4366740, 4604747, 4850552, 5197020, 5262568, 6063190, 6578210, 7275828, 7893852, 8733480, 9094785, 9209494, 9867315, 10394040, 12126380, 13156420, 13814241, 14551656, 15787704, 18189570, 18418988, 19734630, 23023735, 24252760, 24339377, 26312840, 27628482, 36379140, 36837976, 39469260, 46047470, 48678754, 55256964, 69071205, 72758280, 73018131, 78938520, 92094940, 97357508, 110513928, 121696885, 138142410, 146036262, 170375639, 184189880, 194715016, 243393770, 276284820, 292072524, 340751278, 365090655, 486787540, 511126917, 552569640, 584145048, 681502556, 730181310, 851878195, 973575080, 1022253834, 1363005112, 1460362620, 1703756390, 2044507668, 2555634585, 2920725240, 3407512780, 4089015336, 5111269170, 6815025560, 10222538340, 20445076680]

約数ペア:

[(1, 20445076680), (2, 10222538340), (3, 6815025560), (4, 5111269170), (5, 4089015336), (6, 3407512780), (7, 2920725240), (8, 2555634585), (10, 2044507668), (12, 1703756390), (14, 1460362620), (15, 1363005112), (20, 1022253834), (21, 973575080), (24, 851878195), (28, 730181310), (30, 681502556), (35, 584145048), (37, 552569640), (40, 511126917), (42, 486787540), (56, 365090655), (60, 340751278), (70, 292072524), (74, 276284820), (84, 243393770), (105, 194715016), (111, 184189880), (120, 170375639), (140, 146036262), (148, 138142410), (168, 121696885), (185, 110513928), (210, 97357508), (222, 92094940), (259, 78938520), (280, 73018131), (281, 72758280), (296, 69071205), (370, 55256964), (420, 48678754), (444, 46047470), (518, 39469260), (555, 36837976), (562, 36379140), (740, 27628482), (777, 26312840), (840, 24339377), (843, 24252760), (888, 23023735), (1036, 19734630), (1110, 18418988), (1124, 18189570), (1295, 15787704), (1405, 14551656), (1480, 13814241), (1554, 13156420), (1686, 12126380), (1967, 10394040), (2072, 9867315), (2220, 9209494), (2248, 9094785), (2341, 8733480), (2590, 7893852), (2810, 7275828), (3108, 6578210), (3372, 6063190), (3885, 5262568), (3934, 5197020), (4215, 4850552), (4440, 4604747), (4682, 4366740), (5180, 3946926), (5620, 3637914), (5901, 3464680), (6216, 3289105), (6744, 3031595), (7023, 2911160), (7770, 2631284), (7868, 2598510), (8430, 2425276), (9364, 2183370), (9835, 2078808), (10360, 1973463), (10397, 1966440), (11240, 1818957), (11705, 1746696), (11802, 1732340), (14046, 1455580), (15540, 1315642), (15736, 1299255), (16387, 1247640), (16860, 1212638), (18728, 1091685), (19670, 1039404), (20794, 983220), (23410, 873348), (23604, 866170), (28092, 727790), (29505, 692936), (31080, 657821), (31191, 655480), (32774, 623820), (33720, 606319), (35115, 582232), (39340, 519702), (41588, 491610), (46820, 436674), (47208, 433085), (49161, 415880), (51985, 393288), (56184, 363895), (59010, 346468), (62382, 327740), (65548, 311910), (70230, 291116), (72779, 280920), (78680, 259851), (81935, 249528), (83176, 245805), (86617, 236040), (93640, 218337), (98322, 207940), (103970, 196644), (118020, 173234), (124764, 163870), (131096, 155955), (140460, 145558)]