20196176

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 53371584

約数和(自身を除く): 33175408

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 97, 104, 112, 143, 154, 169, 176, 182, 194, 208, 286, 308, 338, 364, 388, 572, 616, 676, 679, 728, 776, 1001, 1067, 1144, 1183, 1232, 1261, 1352, 1358, 1456, 1552, 1859, 2002, 2134, 2288, 2366, 2522, 2704, 2716, 3718, 4004, 4268, 4732, 5044, 5432, 7436, 7469, 8008, 8536, 8827, 9464, 10088, 10864, 13013, 13871, 14872, 14938, 16016, 16393, 17072, 17654, 18928, 20176, 26026, 27742, 29744, 29876, 32786, 35308, 52052, 55484, 59752, 65572, 70616, 97097, 104104, 110968, 114751, 119504, 131144, 141232, 180323, 194194, 208208, 221936, 229502, 262288, 360646, 388388, 459004, 721292, 776776, 918008, 1262261, 1442584, 1553552, 1836016, 2524522, 2885168, 5049044, 10098088, 20196176]

約数ペア:

[(1, 20196176), (2, 10098088), (4, 5049044), (7, 2885168), (8, 2524522), (11, 1836016), (13, 1553552), (14, 1442584), (16, 1262261), (22, 918008), (26, 776776), (28, 721292), (44, 459004), (52, 388388), (56, 360646), (77, 262288), (88, 229502), (91, 221936), (97, 208208), (104, 194194), (112, 180323), (143, 141232), (154, 131144), (169, 119504), (176, 114751), (182, 110968), (194, 104104), (208, 97097), (286, 70616), (308, 65572), (338, 59752), (364, 55484), (388, 52052), (572, 35308), (616, 32786), (676, 29876), (679, 29744), (728, 27742), (776, 26026), (1001, 20176), (1067, 18928), (1144, 17654), (1183, 17072), (1232, 16393), (1261, 16016), (1352, 14938), (1358, 14872), (1456, 13871), (1552, 13013), (1859, 10864), (2002, 10088), (2134, 9464), (2288, 8827), (2366, 8536), (2522, 8008), (2704, 7469), (2716, 7436), (3718, 5432), (4004, 5044), (4268, 4732)]