20694938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13249}}^1$

素因数の和:13333

約数の個数: 16

約数和(自身を含む): 34344000

約数和(自身を除く): 13649062

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13249, 26498, 145739, 291478, 940679, 1881358, 10347469, 20694938]

約数ペア:

[(1, 20694938), (2, 10347469), (11, 1881358), (22, 940679), (71, 291478), (142, 145739), (781, 26498), (1562, 13249)]