20149818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258331}}^1$

素因数の和:258349

約数の個数: 16

約数和(自身を含む): 43399776

約数和(自身を除く): 23249958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258331, 516662, 774993, 1549986, 3358303, 6716606, 10074909, 20149818]

約数ペア:

[(1, 20149818), (2, 10074909), (3, 6716606), (6, 3358303), (13, 1549986), (26, 774993), (39, 516662), (78, 258331)]