20406672

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 120

約数和(自身を含む): 67162368

約数和(自身を除く): 46755696

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 429, 468, 528, 572, 624, 792, 858, 936, 991, 1144, 1287, 1584, 1716, 1872, 1982, 2288, 2574, 2973, 3432, 3964, 5148, 5946, 6864, 7928, 8919, 10296, 10901, 11892, 12883, 15856, 17838, 20592, 21802, 23784, 25766, 32703, 35676, 38649, 43604, 47568, 51532, 65406, 71352, 77298, 87208, 98109, 103064, 115947, 130812, 141713, 142704, 154596, 174416, 196218, 206128, 231894, 261624, 283426, 309192, 392436, 425139, 463788, 523248, 566852, 618384, 784872, 850278, 927576, 1133704, 1275417, 1569744, 1700556, 1855152, 2267408, 2550834, 3401112, 5101668, 6802224, 10203336, 20406672]

約数ペア:

[(1, 20406672), (2, 10203336), (3, 6802224), (4, 5101668), (6, 3401112), (8, 2550834), (9, 2267408), (11, 1855152), (12, 1700556), (13, 1569744), (16, 1275417), (18, 1133704), (22, 927576), (24, 850278), (26, 784872), (33, 618384), (36, 566852), (39, 523248), (44, 463788), (48, 425139), (52, 392436), (66, 309192), (72, 283426), (78, 261624), (88, 231894), (99, 206128), (104, 196218), (117, 174416), (132, 154596), (143, 142704), (144, 141713), (156, 130812), (176, 115947), (198, 103064), (208, 98109), (234, 87208), (264, 77298), (286, 71352), (312, 65406), (396, 51532), (429, 47568), (468, 43604), (528, 38649), (572, 35676), (624, 32703), (792, 25766), (858, 23784), (936, 21802), (991, 20592), (1144, 17838), (1287, 15856), (1584, 12883), (1716, 11892), (1872, 10901), (1982, 10296), (2288, 8919), (2574, 7928), (2973, 6864), (3432, 5946), (3964, 5148)]