20596469440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:547

約数の個数: 224

約数和(自身を含む): 52121092608

約数和(自身を除く): 31524623168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 101, 122, 124, 155, 160, 202, 244, 248, 305, 310, 320, 337, 404, 488, 496, 505, 610, 620, 674, 808, 976, 992, 1010, 1220, 1240, 1348, 1616, 1685, 1891, 1952, 1984, 2020, 2440, 2480, 2696, 3131, 3232, 3370, 3782, 3904, 4040, 4880, 4960, 5392, 6161, 6262, 6464, 6740, 7564, 8080, 9455, 9760, 9920, 10447, 10784, 12322, 12524, 13480, 15128, 15655, 16160, 18910, 19520, 20557, 20894, 21568, 24644, 25048, 26960, 30256, 30805, 31310, 32320, 34037, 37820, 41114, 41788, 49288, 50096, 52235, 53920, 60512, 61610, 62620, 68074, 75640, 82228, 83576, 98576, 100192, 102785, 104470, 107840, 121024, 123220, 125240, 136148, 151280, 164456, 167152, 170185, 190991, 197152, 200384, 205570, 208940, 246440, 250480, 272296, 302560, 328912, 334304, 340370, 381982, 394304, 411140, 417880, 492880, 500960, 544592, 605120, 637267, 657824, 668608, 680740, 763964, 822280, 835760, 954955, 985760, 1001920, 1055147, 1089184, 1274534, 1315648, 1361480, 1527928, 1644560, 1671520, 1909910, 1971520, 2076257, 2110294, 2178368, 2549068, 2722960, 3055856, 3186335, 3289120, 3343040, 3819820, 4152514, 4220588, 5098136, 5275735, 5445920, 6111712, 6372670, 6578240, 7639640, 8305028, 8441176, 10196272, 10381285, 10551470, 10891840, 12223424, 12745340, 15279280, 16610056, 16882352, 20392544, 20762570, 21102940, 25490680, 30558560, 33220112, 33764704, 40785088, 41525140, 42205880, 50981360, 61117120, 64363967, 66440224, 67529408, 83050280, 84411760, 101962720, 128727934, 132880448, 166100560, 168823520, 203925440, 257455868, 321819835, 332201120, 337647040, 514911736, 643639670, 664402240, 1029823472, 1287279340, 2059646944, 2574558680, 4119293888, 5149117360, 10298234720, 20596469440]

約数ペア:

[(1, 20596469440), (2, 10298234720), (4, 5149117360), (5, 4119293888), (8, 2574558680), (10, 2059646944), (16, 1287279340), (20, 1029823472), (31, 664402240), (32, 643639670), (40, 514911736), (61, 337647040), (62, 332201120), (64, 321819835), (80, 257455868), (101, 203925440), (122, 168823520), (124, 166100560), (155, 132880448), (160, 128727934), (202, 101962720), (244, 84411760), (248, 83050280), (305, 67529408), (310, 66440224), (320, 64363967), (337, 61117120), (404, 50981360), (488, 42205880), (496, 41525140), (505, 40785088), (610, 33764704), (620, 33220112), (674, 30558560), (808, 25490680), (976, 21102940), (992, 20762570), (1010, 20392544), (1220, 16882352), (1240, 16610056), (1348, 15279280), (1616, 12745340), (1685, 12223424), (1891, 10891840), (1952, 10551470), (1984, 10381285), (2020, 10196272), (2440, 8441176), (2480, 8305028), (2696, 7639640), (3131, 6578240), (3232, 6372670), (3370, 6111712), (3782, 5445920), (3904, 5275735), (4040, 5098136), (4880, 4220588), (4960, 4152514), (5392, 3819820), (6161, 3343040), (6262, 3289120), (6464, 3186335), (6740, 3055856), (7564, 2722960), (8080, 2549068), (9455, 2178368), (9760, 2110294), (9920, 2076257), (10447, 1971520), (10784, 1909910), (12322, 1671520), (12524, 1644560), (13480, 1527928), (15128, 1361480), (15655, 1315648), (16160, 1274534), (18910, 1089184), (19520, 1055147), (20557, 1001920), (20894, 985760), (21568, 954955), (24644, 835760), (25048, 822280), (26960, 763964), (30256, 680740), (30805, 668608), (31310, 657824), (32320, 637267), (34037, 605120), (37820, 544592), (41114, 500960), (41788, 492880), (49288, 417880), (50096, 411140), (52235, 394304), (53920, 381982), (60512, 340370), (61610, 334304), (62620, 328912), (68074, 302560), (75640, 272296), (82228, 250480), (83576, 246440), (98576, 208940), (100192, 205570), (102785, 200384), (104470, 197152), (107840, 190991), (121024, 170185), (123220, 167152), (125240, 164456), (136148, 151280)]