20805828

素因数分解:

$2^2\times 3^1\times {\mathrm{619}}^1\times {\mathrm{2801}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 48642720

約数和(自身を除く): 27836892

約数列:

[1, 2, 3, 4, 6, 12, 619, 1238, 1857, 2476, 2801, 3714, 5602, 7428, 8403, 11204, 16806, 33612, 1733819, 3467638, 5201457, 6935276, 10402914, 20805828]

約数ペア:

[(1, 20805828), (2, 10402914), (3, 6935276), (4, 5201457), (6, 3467638), (12, 1733819), (619, 33612), (1238, 16806), (1857, 11204), (2476, 8403), (2801, 7428), (3714, 5602)]