20926304

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 47593728

約数和(自身を除く): 26667424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 824, 907, 1442, 1648, 1814, 2884, 3296, 3628, 5768, 6349, 7256, 11536, 12698, 14512, 23072, 25396, 29024, 50792, 93421, 101584, 186842, 203168, 373684, 653947, 747368, 1307894, 1494736, 2615788, 2989472, 5231576, 10463152, 20926304]

約数ペア:

[(1, 20926304), (2, 10463152), (4, 5231576), (7, 2989472), (8, 2615788), (14, 1494736), (16, 1307894), (28, 747368), (32, 653947), (56, 373684), (103, 203168), (112, 186842), (206, 101584), (224, 93421), (412, 50792), (721, 29024), (824, 25396), (907, 23072), (1442, 14512), (1648, 12698), (1814, 11536), (2884, 7256), (3296, 6349), (3628, 5768)]