20350863

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{619}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 31820880

約数和(自身を除く): 11470017

約数列:

[1, 3, 9, 13, 39, 117, 281, 619, 843, 1857, 2529, 3653, 5571, 8047, 10959, 24141, 32877, 72423, 173939, 521817, 1565451, 2261207, 6783621, 20350863]

約数ペア:

[(1, 20350863), (3, 6783621), (9, 2261207), (13, 1565451), (39, 521817), (117, 173939), (281, 72423), (619, 32877), (843, 24141), (1857, 10959), (2529, 8047), (3653, 5571)]