20741523

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 10887789

約数列:

[1, 3, 11, 33, 43, 47, 129, 141, 311, 473, 517, 933, 1419, 1551, 2021, 3421, 6063, 10263, 13373, 14617, 22231, 40119, 43851, 66693, 147103, 160787, 441309, 482361, 628531, 1885593, 6913841, 20741523]

約数ペア:

[(1, 20741523), (3, 6913841), (11, 1885593), (33, 628531), (43, 482361), (47, 441309), (129, 160787), (141, 147103), (311, 66693), (473, 43851), (517, 40119), (933, 22231), (1419, 14617), (1551, 13373), (2021, 10263), (3421, 6063)]