20154459

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10891941

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 461, 741, 767, 1121, 1383, 2301, 3363, 5993, 8759, 14573, 17979, 26277, 27199, 43719, 81597, 113867, 341601, 353587, 516781, 1060761, 1550343, 6718153, 20154459]

約数ペア:

[(1, 20154459), (3, 6718153), (13, 1550343), (19, 1060761), (39, 516781), (57, 353587), (59, 341601), (177, 113867), (247, 81597), (461, 43719), (741, 27199), (767, 26277), (1121, 17979), (1383, 14573), (2301, 8759), (3363, 5993)]