20585147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 25380864

約数和(自身を除く): 4795717

約数列:

[1, 11, 17, 31, 53, 67, 187, 341, 527, 583, 737, 901, 1139, 1643, 2077, 3551, 5797, 9911, 12529, 18073, 22847, 27931, 35309, 39061, 60367, 110081, 307241, 388399, 664037, 1210891, 1871377, 20585147]

約数ペア:

[(1, 20585147), (11, 1871377), (17, 1210891), (31, 664037), (53, 388399), (67, 307241), (187, 110081), (341, 60367), (527, 39061), (583, 35309), (737, 27931), (901, 22847), (1139, 18073), (1643, 12529), (2077, 9911), (3551, 5797)]