20044518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256981}}^1$

素因数の和:256999

約数の個数: 16

約数和(自身を含む): 43172976

約数和(自身を除く): 23128458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256981, 513962, 770943, 1541886, 3340753, 6681506, 10022259, 20044518]

約数ペア:

[(1, 20044518), (2, 10022259), (3, 6681506), (6, 3340753), (13, 1541886), (26, 770943), (39, 513962), (78, 256981)]