20960373

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{9157}}^1$

素因数の和:9276

約数の個数: 16

約数和(自身を含む): 32236160

約数和(自身を除く): 11275787

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 9157, 27471, 64099, 192297, 998113, 2994339, 6986791, 20960373]

約数ペア:

[(1, 20960373), (3, 6986791), (7, 2994339), (21, 998113), (109, 192297), (327, 64099), (763, 27471), (2289, 9157)]