20802716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6745

約数の個数: 24

約数和(自身を含む): 40279680

約数和(自身を除く): 19476964

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6659, 13318, 26636, 73249, 146498, 292996, 472789, 945578, 1891156, 5200679, 10401358, 20802716]

約数ペア:

[(1, 20802716), (2, 10401358), (4, 5200679), (11, 1891156), (22, 945578), (44, 472789), (71, 292996), (142, 146498), (284, 73249), (781, 26636), (1562, 13318), (3124, 6659)]