20808437404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{273795229}}^1$

素因数の和:273795252

約数の個数: 12

約数和(自身を含む): 38331332200

約数和(自身を除く): 17522894796

約数列:

[1, 2, 4, 19, 38, 76, 273795229, 547590458, 1095180916, 5202109351, 10404218702, 20808437404]

約数ペア:

[(1, 20808437404), (2, 10404218702), (4, 5202109351), (19, 1095180916), (38, 547590458), (76, 273795229)]