20678794

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5051}}^1$

素因数の和:5165

約数の個数: 16

約数和(自身を含む): 32736960

約数和(自身を除く): 12058166

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 5051, 10102, 116173, 232346, 449539, 899078, 10339397, 20678794]

約数ペア:

[(1, 20678794), (2, 10339397), (23, 899078), (46, 449539), (89, 232346), (178, 116173), (2047, 10102), (4094, 5051)]