20403927

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44453}}^1$

素因数の和:44479

約数の個数: 16

約数和(自身を含む): 32006880

約数和(自身を除く): 11602953

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44453, 133359, 400077, 755701, 1200231, 2267103, 6801309, 20403927]

約数ペア:

[(1, 20403927), (3, 6801309), (9, 2267103), (17, 1200231), (27, 755701), (51, 400077), (153, 133359), (459, 44453)]