20805968

素因数分解:

$2^4\times {\mathrm{233}}^1\times {\mathrm{5581}}^1$

素因数の和:5822

約数の個数: 20

約数和(自身を含む): 40491828

約数和(自身を除く): 19685860

約数列:

[1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728, 5581, 11162, 22324, 44648, 89296, 1300373, 2600746, 5201492, 10402984, 20805968]

約数ペア:

[(1, 20805968), (2, 10402984), (4, 5201492), (8, 2600746), (16, 1300373), (233, 89296), (466, 44648), (932, 22324), (1864, 11162), (3728, 5581)]