20407902592

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^2\times {\mathrm{26891}}^1$

素因数の和:26941

約数の個数: 144

約数和(自身を含む): 51986404260

約数和(自身を除く): 31578501668

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 121, 128, 154, 176, 196, 224, 242, 308, 352, 392, 448, 484, 539, 616, 704, 784, 847, 896, 968, 1078, 1232, 1408, 1568, 1694, 1936, 2156, 2464, 3136, 3388, 3872, 4312, 4928, 5929, 6272, 6776, 7744, 8624, 9856, 11858, 13552, 15488, 17248, 23716, 26891, 27104, 34496, 47432, 53782, 54208, 68992, 94864, 107564, 108416, 188237, 189728, 215128, 295801, 376474, 379456, 430256, 591602, 752948, 758912, 860512, 1183204, 1317659, 1505896, 1721024, 2070607, 2366408, 2635318, 3011792, 3253811, 3442048, 4141214, 4732816, 5270636, 6023584, 6507622, 8282428, 9465632, 10541272, 12047168, 13015244, 14494249, 16564856, 18931264, 21082544, 22776677, 24094336, 26030488, 28988498, 33129712, 37862528, 42165088, 45553354, 52060976, 57976996, 66259424, 84330176, 91106708, 104121952, 115953992, 132518848, 159436739, 168660352, 182213416, 208243904, 231907984, 265037696, 318873478, 364426832, 416487808, 463815968, 637746956, 728853664, 927631936, 1275493912, 1457707328, 1855263872, 2550987824, 2915414656, 5101975648, 10203951296, 20407902592]

約数ペア:

[(1, 20407902592), (2, 10203951296), (4, 5101975648), (7, 2915414656), (8, 2550987824), (11, 1855263872), (14, 1457707328), (16, 1275493912), (22, 927631936), (28, 728853664), (32, 637746956), (44, 463815968), (49, 416487808), (56, 364426832), (64, 318873478), (77, 265037696), (88, 231907984), (98, 208243904), (112, 182213416), (121, 168660352), (128, 159436739), (154, 132518848), (176, 115953992), (196, 104121952), (224, 91106708), (242, 84330176), (308, 66259424), (352, 57976996), (392, 52060976), (448, 45553354), (484, 42165088), (539, 37862528), (616, 33129712), (704, 28988498), (784, 26030488), (847, 24094336), (896, 22776677), (968, 21082544), (1078, 18931264), (1232, 16564856), (1408, 14494249), (1568, 13015244), (1694, 12047168), (1936, 10541272), (2156, 9465632), (2464, 8282428), (3136, 6507622), (3388, 6023584), (3872, 5270636), (4312, 4732816), (4928, 4141214), (5929, 3442048), (6272, 3253811), (6776, 3011792), (7744, 2635318), (8624, 2366408), (9856, 2070607), (11858, 1721024), (13552, 1505896), (15488, 1317659), (17248, 1183204), (23716, 860512), (26891, 758912), (27104, 752948), (34496, 591602), (47432, 430256), (53782, 379456), (54208, 376474), (68992, 295801), (94864, 215128), (107564, 189728), (108416, 188237)]