20671716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132511}}^1$

素因数の和:132531

約数の個数: 24

約数和(自身を含む): 51944704

約数和(自身を除く): 31272988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132511, 265022, 397533, 530044, 795066, 1590132, 1722643, 3445286, 5167929, 6890572, 10335858, 20671716]

約数ペア:

[(1, 20671716), (2, 10335858), (3, 6890572), (4, 5167929), (6, 3445286), (12, 1722643), (13, 1590132), (26, 795066), (39, 530044), (52, 397533), (78, 265022), (156, 132511)]