20808630824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136898887}}^1$

素因数の和:136898912

約数の個数: 16

約数和(自身を含む): 41069666400

約数和(自身を除く): 20261035576

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136898887, 273797774, 547595548, 1095191096, 2601078853, 5202157706, 10404315412, 20808630824]

約数ペア:

[(1, 20808630824), (2, 10404315412), (4, 5202157706), (8, 2601078853), (19, 1095191096), (38, 547595548), (76, 273797774), (152, 136898887)]