20899702

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2903

約数の個数: 16

約数和(自身を含む): 32402592

約数和(自身を除く): 11502890

約数列:

[1, 2, 53, 71, 106, 142, 2777, 3763, 5554, 7526, 147181, 197167, 294362, 394334, 10449851, 20899702]

約数ペア:

[(1, 20899702), (2, 10449851), (53, 394334), (71, 294362), (106, 197167), (142, 147181), (2777, 7526), (3763, 5554)]