20605516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2309}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 17426324

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2309, 4462, 4618, 8924, 9236, 53107, 106214, 212428, 223973, 447946, 895892, 5151379, 10302758, 20605516]

約数ペア:

[(1, 20605516), (2, 10302758), (4, 5151379), (23, 895892), (46, 447946), (92, 223973), (97, 212428), (194, 106214), (388, 53107), (2231, 9236), (2309, 8924), (4462, 4618)]