20549621

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 2029579

約数列:

[1, 19, 31, 139, 251, 589, 2641, 4309, 4769, 7781, 34889, 81871, 147839, 662891, 1081559, 20549621]

約数ペア:

[(1, 20549621), (19, 1081559), (31, 662891), (139, 147839), (251, 81871), (589, 34889), (2641, 7781), (4309, 4769)]