20974542

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{7963}}^1$

素因数の和:8407

約数の個数: 16

約数和(自身を含む): 42049920

約数和(自身を除く): 21075378

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 7963, 15926, 23889, 47778, 3495757, 6991514, 10487271, 20974542]

約数ペア:

[(1, 20974542), (2, 10487271), (3, 6991514), (6, 3495757), (439, 47778), (878, 23889), (1317, 15926), (2634, 7963)]