20494628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66541}}^1$

素因数の和:66563

約数の個数: 24

約数和(自身を含む): 44716224

約数和(自身を除く): 24221596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66541, 133082, 266164, 465787, 731951, 931574, 1463902, 1863148, 2927804, 5123657, 10247314, 20494628]

約数ペア:

[(1, 20494628), (2, 10247314), (4, 5123657), (7, 2927804), (11, 1863148), (14, 1463902), (22, 931574), (28, 731951), (44, 465787), (77, 266164), (154, 133082), (308, 66541)]