20684048

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 50758656

約数和(自身を除く): 30074608

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 103, 112, 154, 163, 176, 206, 308, 326, 412, 616, 652, 721, 824, 1133, 1141, 1232, 1304, 1442, 1648, 1793, 2266, 2282, 2608, 2884, 3586, 4532, 4564, 5768, 7172, 7931, 9064, 9128, 11536, 12551, 14344, 15862, 16789, 18128, 18256, 25102, 28688, 31724, 33578, 50204, 63448, 67156, 100408, 117523, 126896, 134312, 184679, 200816, 235046, 268624, 369358, 470092, 738716, 940184, 1292753, 1477432, 1880368, 2585506, 2954864, 5171012, 10342024, 20684048]

約数ペア:

[(1, 20684048), (2, 10342024), (4, 5171012), (7, 2954864), (8, 2585506), (11, 1880368), (14, 1477432), (16, 1292753), (22, 940184), (28, 738716), (44, 470092), (56, 369358), (77, 268624), (88, 235046), (103, 200816), (112, 184679), (154, 134312), (163, 126896), (176, 117523), (206, 100408), (308, 67156), (326, 63448), (412, 50204), (616, 33578), (652, 31724), (721, 28688), (824, 25102), (1133, 18256), (1141, 18128), (1232, 16789), (1304, 15862), (1442, 14344), (1648, 12551), (1793, 11536), (2266, 9128), (2282, 9064), (2608, 7931), (2884, 7172), (3586, 5768), (4532, 4564)]