20884648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137399}}^1$

素因数の和:137424

約数の個数: 16

約数和(自身を含む): 41220000

約数和(自身を除く): 20335352

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137399, 274798, 549596, 1099192, 2610581, 5221162, 10442324, 20884648]

約数ペア:

[(1, 20884648), (2, 10442324), (4, 5221162), (8, 2610581), (19, 1099192), (38, 549596), (76, 274798), (152, 137399)]