20637754

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2621}}^1$

素因数の和:2781

約数の個数: 16

約数和(自身を含む): 32219136

約数和(自身を除く): 11581382

約数列:

[1, 2, 31, 62, 127, 254, 2621, 3937, 5242, 7874, 81251, 162502, 332867, 665734, 10318877, 20637754]

約数ペア:

[(1, 20637754), (2, 10318877), (31, 665734), (62, 332867), (127, 162502), (254, 81251), (2621, 7874), (3937, 5242)]