20175441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11757999

約数列:

[1, 3, 11, 13, 33, 39, 131, 143, 359, 393, 429, 1077, 1441, 1703, 3949, 4323, 4667, 5109, 11847, 14001, 18733, 47029, 51337, 56199, 141087, 154011, 517319, 611377, 1551957, 1834131, 6725147, 20175441]

約数ペア:

[(1, 20175441), (3, 6725147), (11, 1834131), (13, 1551957), (33, 611377), (39, 517319), (131, 154011), (143, 141087), (359, 56199), (393, 51337), (429, 47029), (1077, 18733), (1441, 14001), (1703, 11847), (3949, 5109), (4323, 4667)]