20003796

素因数分解:

$2^2\times 3^2\times {\mathrm{555661}}^1$

素因数の和:555671

約数の個数: 18

約数和(自身を含む): 50565242

約数和(自身を除く): 30561446

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555661, 1111322, 1666983, 2222644, 3333966, 5000949, 6667932, 10001898, 20003796]

約数ペア:

[(1, 20003796), (2, 10001898), (3, 6667932), (4, 5000949), (6, 3333966), (9, 2222644), (12, 1666983), (18, 1111322), (36, 555661)]