20605317

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 7602555

約数列:

[1, 3, 47, 141, 317, 461, 951, 1383, 14899, 21667, 44697, 65001, 146137, 438411, 6868439, 20605317]

約数ペア:

[(1, 20605317), (3, 6868439), (47, 438411), (141, 146137), (317, 65001), (461, 44697), (951, 21667), (1383, 14899)]