20445689

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 23445504

約数和(自身を除く): 2999815

約数列:

[1, 11, 23, 211, 253, 383, 2321, 4213, 4853, 8809, 53383, 80813, 96899, 888943, 1858699, 20445689]

約数ペア:

[(1, 20445689), (11, 1858699), (23, 888943), (211, 96899), (253, 80813), (383, 53383), (2321, 8809), (4213, 4853)]