1820842820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{835249}}^1$

素因数の和:835367

約数の個数: 24

約数和(自身を含む): 3858855000

約数和(自身を除く): 2038012180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 835249, 1670498, 3340996, 4176245, 8352490, 16704980, 91042141, 182084282, 364168564, 455210705, 910421410, 1820842820]

約数ペア:

[(1, 1820842820), (2, 910421410), (4, 455210705), (5, 364168564), (10, 182084282), (20, 91042141), (109, 16704980), (218, 8352490), (436, 4176245), (545, 3340996), (1090, 1670498), (2180, 835249)]