20450776

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28723}}^1$

素因数の和:28818

約数の個数: 16

約数和(自身を含む): 38777400

約数和(自身を除く): 18326624

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28723, 57446, 114892, 229784, 2556347, 5112694, 10225388, 20450776]

約数ペア:

[(1, 20450776), (2, 10225388), (4, 5112694), (8, 2556347), (89, 229784), (178, 114892), (356, 57446), (712, 28723)]