20946464

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8501}}^1$

素因数の和:8529

約数の個数: 48

約数和(自身を含む): 51420096

約数和(自身を除く): 30473632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8501, 17002, 34004, 59507, 68008, 93511, 119014, 136016, 187022, 238028, 272032, 374044, 476056, 654577, 748088, 952112, 1309154, 1496176, 1904224, 2618308, 2992352, 5236616, 10473232, 20946464]

約数ペア:

[(1, 20946464), (2, 10473232), (4, 5236616), (7, 2992352), (8, 2618308), (11, 1904224), (14, 1496176), (16, 1309154), (22, 952112), (28, 748088), (32, 654577), (44, 476056), (56, 374044), (77, 272032), (88, 238028), (112, 187022), (154, 136016), (176, 119014), (224, 93511), (308, 68008), (352, 59507), (616, 34004), (1232, 17002), (2464, 8501)]