20641112

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23671}}^1$

素因数の和:23786

約数の個数: 16

約数和(自身を含む): 39058800

約数和(自身を除く): 18417688

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23671, 47342, 94684, 189368, 2580139, 5160278, 10320556, 20641112]

約数ペア:

[(1, 20641112), (2, 10320556), (4, 5160278), (8, 2580139), (109, 189368), (218, 94684), (436, 47342), (872, 23671)]