20495434

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3557}}^1$

素因数の和:3669

約数の個数: 16

約数和(自身を含む): 31936608

約数和(自身を除く): 11441174

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3557, 5762, 7114, 152951, 238319, 305902, 476638, 10247717, 20495434]

約数ペア:

[(1, 20495434), (2, 10247717), (43, 476638), (67, 305902), (86, 238319), (134, 152951), (2881, 7114), (3557, 5762)]