20792464

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2411}}^1$

素因数の和:2444

約数の個数: 60

約数和(自身を含む): 51144048

約数和(自身を除く): 30351584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2411, 4312, 4822, 8624, 9644, 16877, 19288, 26521, 33754, 38576, 53042, 67508, 106084, 118139, 135016, 185647, 212168, 236278, 270032, 371294, 424336, 472556, 742588, 945112, 1299529, 1485176, 1890224, 2599058, 2970352, 5198116, 10396232, 20792464]

約数ペア:

[(1, 20792464), (2, 10396232), (4, 5198116), (7, 2970352), (8, 2599058), (11, 1890224), (14, 1485176), (16, 1299529), (22, 945112), (28, 742588), (44, 472556), (49, 424336), (56, 371294), (77, 270032), (88, 236278), (98, 212168), (112, 185647), (154, 135016), (176, 118139), (196, 106084), (308, 67508), (392, 53042), (539, 38576), (616, 33754), (784, 26521), (1078, 19288), (1232, 16877), (2156, 9644), (2411, 8624), (4312, 4822)]