20853662067

素因数分解:

$3^2\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{239689}}^1$

素因数の和:241083

約数の個数: 24

約数和(自身を含む): 34450164320

約数和(自身を除く): 13596502253

約数列:

[1, 3, 7, 9, 21, 63, 1381, 4143, 9667, 12429, 29001, 87003, 239689, 719067, 1677823, 2157201, 5033469, 15100407, 331010509, 993031527, 2317073563, 2979094581, 6951220689, 20853662067]

約数ペア:

[(1, 20853662067), (3, 6951220689), (7, 2979094581), (9, 2317073563), (21, 993031527), (63, 331010509), (1381, 15100407), (4143, 5033469), (9667, 2157201), (12429, 1677823), (29001, 719067), (87003, 239689)]