20407588

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 36997632

約数和(自身を除く): 16590044

約数列:

[1, 2, 4, 47, 73, 94, 146, 188, 292, 1487, 2974, 3431, 5948, 6862, 13724, 69889, 108551, 139778, 217102, 279556, 434204, 5101897, 10203794, 20407588]

約数ペア:

[(1, 20407588), (2, 10203794), (4, 5101897), (47, 434204), (73, 279556), (94, 217102), (146, 139778), (188, 108551), (292, 69889), (1487, 13724), (2974, 6862), (3431, 5948)]