20822864

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{1993}}^1$

素因数の和:2654

約数の個数: 20

約数和(自身を含む): 40426356

約数和(自身を除く): 19603492

約数列:

[1, 2, 4, 8, 16, 653, 1306, 1993, 2612, 3986, 5224, 7972, 10448, 15944, 31888, 1301429, 2602858, 5205716, 10411432, 20822864]

約数ペア:

[(1, 20822864), (2, 10411432), (4, 5205716), (8, 2602858), (16, 1301429), (653, 31888), (1306, 15944), (1993, 10448), (2612, 7972), (3986, 5224)]