20297768

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{25121}}^1$

素因数の和:25228

約数の個数: 16

約数和(自身を含む): 38436660

約数和(自身を除く): 18138892

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 25121, 50242, 100484, 200968, 2537221, 5074442, 10148884, 20297768]

約数ペア:

[(1, 20297768), (2, 10148884), (4, 5074442), (8, 2537221), (101, 200968), (202, 100484), (404, 50242), (808, 25121)]