20697545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3517}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 27355968

約数和(自身を除く): 6658423

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3517, 5885, 17585, 38687, 193435, 376319, 1881595, 4139509, 20697545]

約数ペア:

[(1, 20697545), (5, 4139509), (11, 1881595), (55, 376319), (107, 193435), (535, 38687), (1177, 17585), (3517, 5885)]