20213974144

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:815

約数の個数: 256

約数和(自身を含む): 52607520000

約数和(自身を除く): 32393545856

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 149, 152, 182, 208, 224, 247, 266, 298, 304, 364, 416, 448, 494, 532, 596, 608, 613, 728, 832, 896, 988, 1043, 1064, 1192, 1216, 1226, 1456, 1664, 1729, 1937, 1976, 2086, 2128, 2384, 2432, 2452, 2831, 2912, 3458, 3874, 3952, 4172, 4256, 4291, 4768, 4904, 5662, 5824, 6916, 7748, 7904, 7969, 8344, 8512, 8582, 9536, 9808, 11324, 11647, 11648, 13559, 13832, 15496, 15808, 15938, 16688, 17024, 17164, 19072, 19616, 19817, 22648, 23294, 27118, 27664, 30992, 31616, 31876, 33376, 34328, 36803, 39232, 39634, 45296, 46588, 54236, 55328, 55783, 61984, 63752, 66752, 68656, 73606, 78464, 79268, 81529, 90592, 91337, 93176, 108472, 110656, 111566, 123968, 127504, 133504, 137312, 147212, 151411, 158536, 163058, 181184, 182674, 186352, 216944, 221312, 223132, 247936, 255008, 257621, 274624, 294424, 302822, 317072, 326116, 362368, 365348, 372704, 433888, 446264, 510016, 515242, 549248, 588848, 605644, 634144, 639359, 652232, 730696, 745408, 867776, 892528, 1020032, 1030484, 1059877, 1177696, 1187381, 1211288, 1268288, 1278718, 1304464, 1461392, 1490816, 1735403, 1735552, 1785056, 2060968, 2119754, 2355392, 2374762, 2422576, 2536576, 2557436, 2608928, 2922784, 3470806, 3570112, 4121936, 4239508, 4710784, 4749524, 4845152, 5114872, 5217856, 5845568, 6941612, 7140224, 8243872, 8311667, 8479016, 9499048, 9690304, 10229744, 10435712, 11691136, 12147821, 13883224, 16487744, 16623334, 16958032, 18998096, 19380608, 20459488, 22560239, 24295642, 27766448, 32975488, 33246668, 33916064, 37996192, 40918976, 45120478, 48591284, 55532896, 66493336, 67832128, 75992384, 81837952, 90240956, 97182568, 111065792, 132986672, 135664256, 151984768, 157921673, 180481912, 194365136, 222131584, 265973344, 315843346, 360963824, 388730272, 531946688, 631686692, 721927648, 777460544, 1063893376, 1263373384, 1443855296, 1554921088, 2526746768, 2887710592, 5053493536, 10106987072, 20213974144]

約数ペア:

[(1, 20213974144), (2, 10106987072), (4, 5053493536), (7, 2887710592), (8, 2526746768), (13, 1554921088), (14, 1443855296), (16, 1263373384), (19, 1063893376), (26, 777460544), (28, 721927648), (32, 631686692), (38, 531946688), (52, 388730272), (56, 360963824), (64, 315843346), (76, 265973344), (91, 222131584), (104, 194365136), (112, 180481912), (128, 157921673), (133, 151984768), (149, 135664256), (152, 132986672), (182, 111065792), (208, 97182568), (224, 90240956), (247, 81837952), (266, 75992384), (298, 67832128), (304, 66493336), (364, 55532896), (416, 48591284), (448, 45120478), (494, 40918976), (532, 37996192), (596, 33916064), (608, 33246668), (613, 32975488), (728, 27766448), (832, 24295642), (896, 22560239), (988, 20459488), (1043, 19380608), (1064, 18998096), (1192, 16958032), (1216, 16623334), (1226, 16487744), (1456, 13883224), (1664, 12147821), (1729, 11691136), (1937, 10435712), (1976, 10229744), (2086, 9690304), (2128, 9499048), (2384, 8479016), (2432, 8311667), (2452, 8243872), (2831, 7140224), (2912, 6941612), (3458, 5845568), (3874, 5217856), (3952, 5114872), (4172, 4845152), (4256, 4749524), (4291, 4710784), (4768, 4239508), (4904, 4121936), (5662, 3570112), (5824, 3470806), (6916, 2922784), (7748, 2608928), (7904, 2557436), (7969, 2536576), (8344, 2422576), (8512, 2374762), (8582, 2355392), (9536, 2119754), (9808, 2060968), (11324, 1785056), (11647, 1735552), (11648, 1735403), (13559, 1490816), (13832, 1461392), (15496, 1304464), (15808, 1278718), (15938, 1268288), (16688, 1211288), (17024, 1187381), (17164, 1177696), (19072, 1059877), (19616, 1030484), (19817, 1020032), (22648, 892528), (23294, 867776), (27118, 745408), (27664, 730696), (30992, 652232), (31616, 639359), (31876, 634144), (33376, 605644), (34328, 588848), (36803, 549248), (39232, 515242), (39634, 510016), (45296, 446264), (46588, 433888), (54236, 372704), (55328, 365348), (55783, 362368), (61984, 326116), (63752, 317072), (66752, 302822), (68656, 294424), (73606, 274624), (78464, 257621), (79268, 255008), (81529, 247936), (90592, 223132), (91337, 221312), (93176, 216944), (108472, 186352), (110656, 182674), (111566, 181184), (123968, 163058), (127504, 158536), (133504, 151411), (137312, 147212)]